import React, { useState, useEffect } from 'react'; import { LineChart, Line, BarChart, Bar, XAxis, YAxis, CartesianGrid, Tooltip, Legend, ResponsiveContainer, PieChart, Pie, Cell } from 'recharts'; import { ArrowUpRight, DollarSign, TrendingUp, Calendar, Award, BookOpen } from 'lucide-react'; const MbaRoiCalculator = () => { // State for form inputs const [inputs, setInputs] = useState({ currentSalary: 80000, schoolTuition: 150000, livingExpenses: 60000, scholarshipAmount: 20000, programLengthYears: 2, expectedSalaryIncrease: 70, expectedBonusPercentage: 20, industryGrowthRate: 5, careerYearsToCalculate: 10, region: 'northeast' }); // State for calculation results const [results, setResults] = useState({ totalCost: 0, netCost: 0, breakEvenYears: 0, tenYearROI: 0, lifetimeROI: 0, fiveYearEarnings: 0, tenYearEarnings: 0, opportunityCost: 0, yearByYearData: [], regionMultiplier: 1, paybackPeriod: 0, irr: 0, salaryData: [] }); // Regional adjustments const regionMultipliers = { northeast: 1.15, midwest: 0.9, south: 0.95, west: 1.2, international: 1.05 }; // Industry growth impact const industryImpact = { technology: 1.2, finance: 1.15, healthcare: 1.1, manufacturing: 0.95, consulting: 1.25 }; // Colors for charts const COLORS = ['#0088FE', '#00C49F', '#FFBB28', '#FF8042', '#8884d8']; // Update calculations when inputs change useEffect(() => { calculateROI(); }, [inputs]); // Handle input changes const handleInputChange = (e) => { const { name, value } = e.target; setInputs({ ...inputs, [name]: parseFloat(value) || 0 }); }; // Calculate ROI and other metrics const calculateROI = () => { const { currentSalary, schoolTuition, livingExpenses, scholarshipAmount, programLengthYears, expectedSalaryIncrease, expectedBonusPercentage, industryGrowthRate, careerYearsToCalculate, region } = inputs; // Calculate total cost const grossCost = schoolTuition + (livingExpenses * programLengthYears); const netCost = grossCost - scholarshipAmount; // Calculate opportunity cost (lost salary during MBA) const opportunityCost = currentSalary * programLengthYears; // Total investment = direct costs + opportunity cost const totalInvestment = netCost + opportunityCost; // Calculate expected salary post-MBA const regionMultiplier = regionMultipliers[region] || 1; const postMbaSalary = currentSalary * (1 + (expectedSalaryIncrease / 100)) * regionMultiplier; // Year-by-year projections let yearByYearData = []; let cumulativeCashFlow = -totalInvestment; let breakEvenYear = 0; let paybackPeriod = 0; const salaryData = []; let withMbaSalary = postMbaSalary; let withoutMbaSalary = currentSalary; for (let year = 1; year <= 20; year++) { // Account for industry growth and compounding const withMbaBonus = withMbaSalary * (expectedBonusPercentage / 100); const withoutMbaBonus = withoutMbaSalary * 0.05; // Assuming 5% bonus without MBA // Yearly cash flow is the difference in compensation packages const yearlyDifference = (withMbaSalary + withMbaBonus) - (withoutMbaSalary + withoutMbaBonus); // Cumulative cash flow cumulativeCashFlow += yearlyDifference; // Track when breakeven occurs (first time cumulative becomes positive) if (cumulativeCashFlow > 0 && breakEvenYear === 0) { breakEvenYear = year; // Calculate more precise payback period with fractional year const previousYearCF = cumulativeCashFlow - yearlyDifference; const fractionOfYear = Math.abs(previousYearCF) / yearlyDifference; paybackPeriod = (year - 1) + fractionOfYear; } // Store data for charts yearByYearData.push({ year, yearlyDifference, cumulativeCashFlow, withMbaSalary, withoutMbaSalary }); // Store salary comparison data if (year <= 10) { salaryData.push({ year, 'With MBA': withMbaSalary + withMbaBonus, 'Without MBA': withoutMbaSalary + withoutMbaBonus }); } // Increase salaries for next year based on growth rates withMbaSalary *= (1 + (industryGrowthRate / 100) * 1.2); // MBA grads get 1.2x industry growth withoutMbaSalary *= (1 + (industryGrowthRate / 100) * 0.8); // Non-MBA get 0.8x industry growth } // Calculate 10-year ROI = (10-year gains - investment) / investment const tenYearGains = yearByYearData .filter(data => data.year <= 10) .reduce((sum, data) => sum + data.yearlyDifference, 0); const tenYearROI = ((tenYearGains - totalInvestment) / totalInvestment) * 100; // Calculate lifetime ROI (20 years) const lifetimeGains = yearByYearData.reduce((sum, data) => sum + data.yearlyDifference, 0); const lifetimeROI = ((lifetimeGains - totalInvestment) / totalInvestment) * 100; // Calculate 5-year and 10-year earnings const fiveYearEarnings = yearByYearData .filter(data => data.year <= 5) .reduce((sum, data) => sum + (data.withMbaSalary), 0); const tenYearEarnings = yearByYearData .filter(data => data.year <= 10) .reduce((sum, data) => sum + (data.withMbaSalary), 0); // Calculate simplified IRR (very simplified approximation) // For a proper IRR, we'd need to solve for r in the NPV equation const irr = (yearlyDifference / totalInvestment) * 100; setResults({ totalCost: grossCost, netCost, breakEvenYears: breakEvenYear, tenYearROI, lifetimeROI, fiveYearEarnings, tenYearEarnings, opportunityCost, yearByYearData, regionMultiplier, paybackPeriod, irr, salaryData }); }; // Format currency values const formatCurrency = (value) => { return new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD', maximumFractionDigits: 0 }).format(value); }; // Format percentage values const formatPercent = (value) => { return new Intl.NumberFormat('en-US', { style: 'percent', minimumFractionDigits: 1, maximumFractionDigits: 1 }).format(value / 100); }; // Format years with one decimal place const formatYears = (value) => { return value.toFixed(1) + ' years'; }; // Payload formatting for tooltips const customTooltip = ({ active, payload, label }) => { if (active && payload && payload.length) { return ( ); } return null; }; return ( ); }; export default MbaRoiCalculator;