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marr/.js

Last active March 15, 2018 19:39
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.js
export const getTaxAmount = (rate, total) => {
const totalCents = parseInt(total * 100, 10);
const tax = Math.round(totalCents / (1 + rate) * rate);
return {
subtotal: (totalCents - tax) / 100,
tax: tax / 100,
total,
};
};
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