Question - Copy Kitty Ltd leases a copying machine on a monthly basis. The lease agreement requires a fixed rental fee each month in addition to a charge per copy. In September, Copy Kitty paid $162 for rent and 2400 copies. In October, Copy Kitty paid $195 for rent and 3500 copies. What is Copy Kitty's variable cost per copy?
a. $0.06
b. $0.04
c. $0.03
d. $0.01