If 1 unit A=0.5 units B1 \text{ unit A} = 0.5 \text{ units B}1 unit A=0.5 units B and 1 unit B=4 units C1 \text{ unit B} = 4 \text{ units C}1 unit B=4 units C, how many units C are in 10 units A10 \text{ units A}10 units A?
20 units C20 \text{ units C}20 units C
5 units C5 \text{ units C}5 units C
80 units C80 \text{ units C}80 units C
10 units C10 \text{ units C}10 units C