200 mangoes at 4 for N2.50
⟹ \implies⟹ Total cost price = 2004×N2.50\frac{200}{4} \times N 2.504200×N2.50
= N 125.00
Since 30 mangoes got spoilt ⟹ \implies⟹ Left over = 200 - 30
= 170 mangoes
170 mangoes at 2 for N 2.40
⟹ \implies⟹ Total selling point = 1702×N2.40\frac{170}{2} \times N 2.402170×N2.40
= N 204.00
Profit : N (204.00 - 125.00) = N 79.00
% profit = 79125×100%\frac{79}{125} \times 100\%12579×100%
= 63.2% profit.
