Help! There are 2 parts.
For an art project, Lisa has decided to decorate the letter block “L” (shown in the diagram) built from two rectangular prisms.

PART A
Each wooden letter block is sold according to size. What is the volume of the letter shown? Show your work.

PART B
Suppose Lisa wants to glue decorative paper onto the block. What is the total surface area that Lisa would need to cover? Show your work.