.2 Selling price of a tablet is price = 120 5x KD, where x is the quantity sold. The fixed cost of the business is 50 KD and the cost of one tablet is 50 KD. M of The profit obtained from selling 3 tablets is C] and the profit of selling the 3 'th item is C] KB. The marginal profit function is :] KD and the approximate profit obtained from the 3 'th item is C]. (Fill in the boxes with the correct numbers or expression)