Problem \#2 - Managing a Constrained Resource WJ Inc. has the following information about its 3 main products: Required: 1. Calculate the contribution margin per minute for each product. 2. Calculate the contribution margin per foot for each product. 3. If time is the constrained resource and there is enough demand for all 3 products, in which order should they be produced? 4. If materials are the constrained resource and there is enough demand for all 3 products, in which order should they be produced