List the Following in Order from Least Calories to Most $\rightarrow$

List the following in order from least calories to most.

A) 4g of fat $\rightarrow$ 9g of protein $\rightarrow$ 9g of sugar
B) 4g of fat $\rightarrow$ 9g of sugar $\rightarrow$ 9g of protein
C) 9g of sugar $\rightarrow$ 9g of protein $\rightarrow$ 4g of fat
D) 9g of protein $\rightarrow$ 9g of sugar $\rightarrow$ 4g of fat
E) They are all equal.