4.1 Study the information provided below and answer the following questions. Radasys Suppliers anticipates annual sales of 144000 units of a product. Radasys sells the product at R45 per unit, using the pricing formula: cost plus 50%. The ordering cost is R30 per order and the carrying cost of 5% of the unit purchase price. REQUIRED: 4.1.1 Calculate the number of orders that must be placed during the year based on the most advantageous quantity for the firm to order each time. 4.1.2 Calculate the total annual ordering and carrying costs of the product. 4.2 Study the information provided below and answer the following questions