Box A has a length of 12 cm, width of 3 cm, and height of 5 cm. Box B is placed on top of Box A with length of 3 cm, width of 3 cm, and height of 3 cm. Box C is to the side of the other two boxes with length of 3 cm, width of 3 cm, and height of 3 cm.
Part A.
Tisha is putting boxes together to make an art project. She has already put two boxes together. What is the volume of the two boxes, A and B, that Tisha put together?

A.
189 cm3

B.
207 cm3

C.
288 cm3

D.
519 cm3

Part B.
Tisha still needs to add one more box to her project. What will be the volume of Tisha’s art project when she adds Box C?

A.
198 cm3

B.
207 cm3

C.
234 cm3

D.
528 cm3