Q.11. A company purchases a product for $280.50 and sells it at

$300. What is the rate of mark up on cost?

Q12. A company purchases a product for $280.50 and sells it at

$300. What is the rate of mark up on selling price?

O.13. A store marks up its product by 35% on cost. If the amount of markup is $126, find the cost and selling price of the product.

Q.14. Define Fixed costs and variable costs with example.

Q.15. Define debit and credit with example.