Step-by-step explanation:
Cost Price =Rs.200
Shopkeeper Mark the price 40% above the cost price then
M.P=200+40%of200
⇒200+
100
40
×200
⇒200+80=Rs.280
Discount=20%
Then Price after discount=280−20%of280
⇒280−
100
20
×280
⇒280−56=Rs.224
Sales tax rate=10%
Then sales price=224+10%of224
⇒224+
100
10
×224
⇒224+22.4=246.4∼Rs.246
