Formulas To be Used In Order To Solve This Problem
Gain % = (Gain X 100)/(C.P)
Gain = S.P – C.P
Given:
C.P = Rs. 36800
Gain% = 8.5%
To Find:
S.P = ?
Solution:
Gain % = (Gain X 100)/(C.P)
8.5 = (Gain X 100)/(36800 )
(8.5 X 36800)/100 = Gain
Gain = 3128
So,
 Gain=S.P-C.P
or
Gain + C.P = S.P
3128+36800= S.P
S.P = 39928
Ali Sold The Oven For Rs. 39928 at a gain of 8.5%.