If i have a pay rate of $21.00 and marked up 78.7% and made a 10% profit. how did i get $41.28?

Solution-

The original or cost price of the good = $21.00

Then, it is marked up 78.7%, i.e the price is 78.7% more than the initial price, which in this case is $21.

The new price is,

Then, 10% profit must be earned after selling the good. Hence, the list price must be 10% more of 37.527,

So, the selling or list price is

∴ $41.28 is the selling price of the good and this is how you got it.

the answer for this question is 38

-6 is the correct option from the above given options