please help me out...,.,.,

Suppose a profit maximizing firm has the following profit function " (L) = P. f(L) - wL - rK* where f (L) = LK* and K* > 0 is the firm's fixed level of capital. The productivity parameter a > 0. Assuming p >0, which of the following conditions would ensure there exists a short-run profit maximizing level of output for the firm? Oa>1 Oa>1 Oa