tax_increase_2015

const OLD_TAX_RATE = 0.061;
const NEW_TAX_RATE = 0.065;

function calculateOldPurchase(amt) {
  amt = amt + (amt * OLD_TAX_RATE);
  return amt;
}

function calculateNewPurchase(amt) {
  amt = amt + (amt * NEW_TAX_RATE);
  return amt;
}

price = 150.00;

old_total = calculateOldPurchase(price);
new_total = calculateNewPurchase(price);
console.log("Based on a $150 purchase, your previous total under the state sales tax rate of 6.1 percent would be " + "$" + old_total.toFixed(2) + ", but now costs you " + "$" + new_total.toFixed(2) + " at 6.5 percent.");