Using Excel Solver: Problem 2: (10 pts) An exact solution to the bin packing optimization problem can be found using 0-1 integer programming (IP) see the format on the Wikipedia page. Write an integer program for each of the following instances of bin packing and solve using excel solver.

a) Six items S = { 4, 4, 4, 6, 6, 6} and bin capacity of 10

b) Five items S = { 20, 10, 15, 10, 5} and bin capacity of 20