Packages arrive at the stockroom and are delivered on carts to offices and laboratories by student employees. The carts and packages are various sizes and shapes. The students are paid according to the carts used. There are five carts C,, C5 and the cost for using them is the same regardless of the cart. On a particular day, seven packages P, using the five carts as follows: a. b. . , P, arrive, and they can be delivered Cart C can be used for packages P, P3, and P4; Cart C can be used for packages P, P5, and P6; Cart C3 can be used for packages P, P2, P5, P6, and P7; Cart C4 can be used for packages P3, P6, and P7; and Cart C can be used for packages P2 and P4. The stockroom manager wants all the packages delivered at minimum cost. Using the Petrik's Method, present a systematic procedure for finding the minimum cost solution. Find the minimum cost solution when the cost of using carts is C: $2, C: $1, C3: $4, C4: $2, and C5: $2. 5