Australian Marginal Income Tax calculator (dumps to csv)

tax.ts

const brackets: Array<[number, number]> = [
	[		     0,	 0],
	[		 18200,	19],
	[		 45000,	32.5],
	[		120000,	37],
	[		180000,	45]
];

console.log("Income", "Tax");

for(let amt = 0; amt <= 1000000; amt++) {
	let taxed = 0;
	let aft = 0;
	for(let bracket of brackets) {
		let [min, tax] = bracket;
		if (amt < min) break;

		aft += (amt - min) * (tax - taxed) / 1e2;
		taxed = tax;
	}

	console.log(`${amt},${aft.toFixed(2)}`);
}