GE produces 5 different sizes of TVs and uses 2 machines in its production. Different sizes of TVs take different amount of time to get processed at each of the two machines, and bring in different amount of profit for the company per unit. GE has a limited amount of time to use each of the two machines during each month but would like to find out how many of each size of TV to produce each month to maximize its total profit.

1. How many decision variables are needed to properly formulate this problem?

a. 2
b. 5
c. 10
d. 7
e. Cannot be determined with the given amount of information

2. The amount of processing time available each month on each machine needs to be used in formulating

a. Decision variables
b. Objective Function
c. A constraint
d. Is not needed in formulating this problem