PLEASE HELP ME WITH THIS ONE.

A diet for a sick person must contain at least 4000 units of vitamins, 50 units of minerals and 14000 units of calories. food 1 contains atleat 8 units of vitamins A and 10 units of vitamin C. If one unit contains 200 units of vitamin1 of mineral and 40 units of calories one unit of food B contains 100 units of vitamins. Examine the maximum cost for such a mixture and make a graphical representation and make a linear and non-linear equation for that.

please solve asap and solve it. Please avoid incorrectly otherwise I have to mark unhelpful