A Firm Has the Production Function F(x, Y)= X⁰

Multiple Choice

A firm has the production function f(x, y) = x^0.90y^0.80.This firm has

A) constant returns to scale.
B) decreasing returns to scale and diminishing marginal products for factor x.
C) decreasing returns to scale and increasing marginal product for factor x.
D) increasing returns to scale and decreasing marginal product of factor x.
E) None of the above.