Oscar, a single taxpayer, sells his residence of the last 10 years in January of 2015 for $190,000. Oscar's basis in the residence is $45,000, and his selling expenses are $11,000. If Oscar does not buy a new residence, what is the taxable gain on the sale of his residence?

a. $145,000

b. $134,000

c. $45,000

d. $9,000

e. $0

Susan, a single taxpayer, bought her home 25 years ago for $30,000. She has lived in the home continuously since she purchased it. In 2015, she sells her home for $200,000. What is Susan's taxable gain on the sale?

a. $0

b. $20,000

c. $250,000

d. $270,000

Kevin purchased a house 20 years ago for $100,000 and he has always lived in the house. Three years ago Kevin married Karen, and she has lived in the house since their marriage. If they sell Kevin's house in December 2015 for $425,000, what is their taxable gain on a joint tax return?

a. $0

b. $75,000

c. $125,000

d. $250,000