Please answer all of the questions ASAP (within 10 minutes). I will thumbs up/rate if it's correct. Please it's urgent.

5. Max wishes to mix two kinds of food, I and II, to make a diet in such a way that the mixture [5] contains at least 10 units of vitamin A, 12 units of vitamin B, and 8 units of vitamin C. The vitamin contents of one kg of food are given below. Food I Food II Vitamin A 1 2 Vitamin B 3 2 Vitamin C 3 1 One kg of food I cost $10 and one kg of food II coats $7. Formulate the above problem as a linear programming problem. Hence find the least cost of the mixture, which will produce the diet