help those 2 question please

An amateur bodybuilder is looking for supplement protein bars to build his muscle fast and there are 2 available products: protein bar A and protein bar B. Each protein bar A contains 15g of protein and 30g of carbohydrates and has total 200 calories. On the other hand, each protein bar B contains 30g of protein and 20g of carbohydrates and has total 240 calories. According to his nutritional plan, this bodybuilder needs at least 20,000 calories from these supplements over the month, which must comprise of at least 1.800g of protein and at least 2,200g of carbohydrates. If each protein bar A costs $3 and each protein bar B costs $4, what is the least possible amount of money (in $ ) he can spend to meet all his one-month requirements? [E (20 Points) In the Excel file, you will find a table representing two distributors A and B who need to ship products to dients X,Y, and Z. The table contains the number of items available at each distributor (capacity) and the demand of each client. Find the optimal shipping strategy that minimizes the overall shipping costs to meet all demand and that does not surpass the capacity of each distributor. What would be the minimum distribution cost? [4 (20 Points)