Suppose That the Production Function for the Economy Is Y

Suppose that the production function for the economy is Y = AK⁰.²ᴸ⁰.⁸.If the capital stock = 40 000,the quantity of labour = 10 000,and the efficiency index = 1,real GDP is

A) $13 195.08.
B) $16 000.00.
C) $16 946.34.
D) $28 000.00.