please solve it in 10 mins I will thumb you up

QUESTION 23 John and Paul bought a house for $100. They borrowed $90 from a bank and used $10 in equity. The price of the house has declined by 30%. John and Paul plan to sell the house. They can make an investment in the house of $2 that will increase the value of the house by $10. What is their payoff if they make this investment and sell the house? O a. $4 O b.-$6 O c. -$30 O d.-$2