Need help ASAP

mr. jordan is planning to buy a treadmill. The treadmill he wants is on sale at 10% off the retail price of $700. Mr. jordan has an additional coupon for 5% off after the discount has been applied. What is the final cost of the treadmill, not including taxes or assembly fees?

A.) $587.50
B.) $598.50
C.) $630.00
D.) $668.50