Consider the Aggregate Production Function Y = F(K,L)

Multiple Choice

Consider the aggregate production function Y = F(K,L) .If the inputs K and L are increased by 5% each and total output (Y) increases by 5% as a result,then this production function is displaying

A) increasing returns to scale.
B) constant returns to scale.
C) decreasing returns to scale.
D) diminishing marginal returns.
E) a change in technology.