nutrition

Mark reads the food labels of everything he eats for one day and records the grams of carbohydrates, protein, and fat for each item. He totals each of the macronutrients and comes up with: 360 grams Carbohydrate, 90 grams of Protein, 80 grams Fat

Help Mark figure out (A) how many calories he ate AND (B) what percentage of those calories came from each of these nutrients.

(C) Are the percentages for each macronutrient within range of the acceptable macronutrient ranges for adults? (D) Explain, why or why not. Be sure to show your work.