Explanation:
Formula 1: If we earn a profit while selling a product, we use the following formula.
Cost price formula = Selling Price -
Profit
Formula 2: If we incur a loss while selling a product, we use the following formula.
Cost price formula = Selling Price +
Loss
Formula 3: The formula using gain (profit) percentage and selling price is given as,
Cost price formula = {100/(100+ Profit%)} x SP.
Formula 4: The formula using loss percentage and SP is given as,
Cost price formula = {100/(100 - Loss%)} x SP.