How would solve this questions;

Maple Leaf had income from operations of $385,000, it received interest payments of $15,000, it paid interest of $20,000, it received dividends from another corporation of $10,000, and it paid $40,000 in dividends to its common stockholders. What is Maple Leaf's federal income tax?.

a.$122,760

b.$141,700

c.$130,220

d.$155,200

e.$163,000

What other methods are there to solve or get the answer to questions like these. Is calculation of Net income before income tax also done in the same way?