A company uses 2 inputs, K and L in its production function. The production function is given as
where Q, K and L are in units per week. Price of input K per unit is RM100, and input L per unit is RM20.
(a) Determine the type of returns to scale.
(b) How many units of output will be produced per week if the company uses 20 units of K and 15 units of L?
(c) Is the above combination of inputs K and L efficient?
(d) If not, what is the efficient combination of K and L?
(e) Compare the total cost for both input combination in parts (c) and (d).