labour economics

A firm has the following production function Q = K 1/21 1/2. IT will produce 100 units of output and faces prices for labour and capital as follows: w = 16 and r = N a) Determine the marginal product of labour b) Determine the marginal product of capital c) Determine the optimal capital-labour ratio d) Determine the cost minimizing amount of labour e) Determine the cost minimizing amount of capital. Show your work