The profit earned by selling an article for $ 832 is equal to the loss incurred when the same article is sold for $ 448. What should be the sale price for making 45% profit?  Choose one.
A) $480  B) $450  C) $928  D) $870  E) $660
Let C.P. = $ x.   Then, 832 - x = x - 448   2x = 1280 =&gt; x = 640   Required S.P. = 145% of $ 640 = $ 928.   $928
<result>C</result>
The profit earned by selling an article for $ 832 is equal to the loss incurred when the same article is sold for $ 448. What should be the sale price for making 45% profit?