Protein provides 4 calories per gram. mary is on a diet that requires her to eat at least 40 grams of protein each day. she’s eaten 152 calories of protein today. how much more protein does mary need to eat to meet her goal

Protein provides 4 calories per gram. Mary is on a diet that requires her to eat at least 40 grams of protein each day. She’s eaten 152 calories of
protein today. How much more protein does Mary need to eat to meet her goal?
152/4=38g
Thus 2g

Ithink the correct answer is c