Solve the Problem $\$ 12.00$ Per Month
B) $- \$ 8.00$ Per Month
C)

Solve the problem.
-From April through December, the stock price of QRS Company had a roller coaster ride. The chart below indicates the price of the stock at the beginning of each month during that period.
Find the average rate of change in price per month between June and September. Round to the
Nearest cent.

A) $\$ 12.00$ per month
B) $- \$ 8.00$ per month
C) $- \$ 12.00$ per month
D) $\$ 8.00$ per month