Answer
amount of discount = 3,255
sales price= 18,445 dollars
Work Step by Step
amount of discount = discount rate $\times$ original price
= 15%$\times$ 21700
= 0.15 $\times$21700=3255 write 15% as 0.15
sales price=original price - amount of discount
= 21700 - 3255 = 18,445 dollars