For all incomes below calculate the below.$$ for canada

$1)$ Calculate federal tax payable

$2)$ Calculate Average Tax Rate

$3)$ What is the marginal Tax Rate

Gross Income

$$$$145,000\mathrm{.}00$

$$$ $45,000\mathrm{.}00$

$$$$275,000\mathrm{.}00$

$$$ $92,000\mathrm{.}00$

$$$ $81,000\mathrm{.}00$