The binomial expansion of (x-2y)^3 is__ PLEASE HELP

A) x^3+3x^2y+3xy^2+y^3

B) x^3-3x^2y+3xy^2-y^3

C) 2^2(x^3-3x^2y+3xy^2-y^3)

D) x^3-6x^2y+12xy^2-8y^2

Tom and lilly rented a house for $12,000 last year. at the start of the year they bought the house they had been renting directly from the owner for $250,000. they believe they could rent it for $12,000 this year, but stay in the house. how much does tom and lilly’s decision to buy the house change gdp? a. it reduces gdp by $12,000 b. it does not change gdp c. it raises gdp by $238,000 d. it raises gdp by $250,000