A grocery store recently raised the price of flour by 25% over the original price. If the owner then had a sale advertising 10% off, what would be the sale price if the original price was $20?  Choose the correct choice from the following choices.
A) $21.00	B) $21.50	C) $22.00	D) $22.50	E) $23.00
sale price = (original price + 25% increase) - 10% decrease   price = [20 * (125/100)] * (90/100) = 20 * (1.25) * (.90) = 25 * .9= 
<gadget id="calculator">25 * .9</gadget>
<output>22.5</output>
22.50   The answer is $22.50.
<result>D</result>
A grocery store recently raised the price of flour by 25% over the original price. If the owner then had a sale advertising 10% off, what would be the sale price if the original price was $20?