really need help on how to work this on excel Thank you!

PROBLEM 7: The kitchen manager for Pickens County Prison is trying to decide what to feed its prisoners. She would like to offer some combination of milk, beans, and oranges. The goal is to minimize cost, subject to meeting the minimum nutritional requirements imposed by law. The cost and nutritional content of each food, along with the minimum nutritional requirements, are shown below. Navy Oranges Minimum Milk Beans (large Calif. Daily (gallons) (cups) Valencia) Requirement Niacin (mg) 3.3 5 0.9 13.0 Thiamin (mg) 1.12 0.19 Vitamin C (mg) 33.0 0.0 91.0 45.0 Cost (5) $2.25 $0.25 $0.35 1.3 1.5 1. What proportional diet should be fed to each prisoner? (Cells C13:D13) 2. What is the total cost? (Cell H:14) 3. Place the appropriate data into the model. Label your constraints appropriately. 4. You are sharing this file with a co-worker. You need to leave at least 2 comments regarding work-flow on this worksheet. The Prison Diet Problem (gal.) Y (cups) z Unit Cost Total Nutritional Contents (mg) Minimum Requirement Nacin Thiamin Vitamin C Nutrients 0 0.000 0 Quantity (per prisoner) Total Cost $0.00 A