Question: 1. If each input is paid the value of its marginal product, will this exhaust a firm's total revenue if the relevant production function is
(a) Q = 4K + 1.5L?
(b) Q = 8K0.4L0.3?
(c) Q = 3.5 K0.25 L0.35 R0.3?
2. If y = 40x0.4z0.3 and x = 5z0.25, find the total effect of a change in z on y.