Jackie wants to create a scale drawing of the poster shown below: A rectangle is shown. The length of the rectangle is labeled 4 feet. The width of the rectangle is labeled 8 feet.
What are the dimensions of the poster at one-half its current size?
A: 8 ft by 16 ft
B: 8 ft by 12 ft
C: 2 ft by 4 ft
D: 4 ft by 4 ft