Please provide the steps.

Question:

What is the federal income tax owed by an investor in the 35 percent income tax bracket (15 percent tax rate on long-term capital gains and dividend income)?

a.	Bob owns Stock A that paid $350 in dividends and sold Stock B for a long-term capital gain of $1,200.
b.	Bill sold Stock A for a short-term capital gain of $3,500 and sold Stock B for a short-term capital loss of $3,100.
c.	Brian sold Stock A for a long-term capital gain of $3,700 and sold Stock B for a long-term capital loss of $5,100.
d.	Barbara sold Stock A for a $6,000 short-term loss and sold Stock B for a $2,000 long-term gain.
e.	Roberta has a savings account that paid annual interest of $1,000 and a stock that paid a dividend of $1,000.