Convert Monthly income into Hourly in JS

JS code snippet...

const governmentTax = .20; // 20% Tax 
const monthlyIncome = 500; // put your amount here...

const weeksInMonth = 4;
const workingHours = 8;
const workingDays = 5;

const weeklyHours = workingHours * workingDays;
const monthlyHours = weeklyHours * weeksInMonth;

const afterTaxPay = monthlyIncome - (monthlyIncome * governmentTax);

const hourlyIncome = afterTaxPay / monthlyHours;

console.log('Your hourly income is: $' + hourlyIncome);

// Your hourly income is: $2.5