A grocer buys apples for 81¢ per pound. If 10% of the apples goes bad and he still wants to make a 20% profit over his purchase price, what should be the sales price?  Choose one.
A) 100¢  B) 108¢  C) 110¢  D) 95¢  E) 99¢
for making calculation simple let us consider he buys 10pounds @ 81/pound=810¢ in total .   10% apples lost...means 9 pounds left.   further he wants 20% profit on 810 ¢   means he wants to earn 972¢   sales price should be   972/9= 
<gadget id="calculator">  972/9</gadget>
<output>108</output>
¢ 108   Ans 108¢
<result>B</result>
A grocer buys apples for 81¢ per pound. If 10% of the apples goes bad and he still wants to make a 20% profit over his purchase price, what should be the sales price?