Mr. Smith has an income of $40,000 this year and $60,000 next year. He can invest in a project that costs $30,000 this year, which generates an income of $36,000 next year. The market interest rate is 10%. What will be his consumption next year if Mr. Smith invests in the project and consumes $50,000 this year?
A) a. $27,000
B) b. $32,400
C) c. $35,000
D) d. $36,000