number 6 and 7

6. It costs KD4500 to create an advertisement for a new product. Each successful sale will have a profit of KD55 less KD5 for administration. How many units must be sold to break even? A product has two major components P1 and P2. It costs the manufacturer KD135 to buy each P1 and KD750 to buy each P2. If there is a budget of KD12,500 for the purchase of these two components. Write down the budget constraint equation (represents the number of P1 units purchased and represents the number of P2 units purchased). 7