Mark launders his white clothes using the production function q = B + 0.5G, where B is

Question:

Mark launders his white clothes using the production function q = B + 0.5G, where B is the number of cups of Clorox bleach and G is the number of cups of generic bleach that is half as potent. Draw an isoquant. What are the marginal products of B and G? What is the marginal rate of technical substitution at each point on an isoquant?