4. One Device makes universal remote controls and expects to sell 448 units in January, 462 in February, 511 in March, 572 in April, and 489 in May. The required ending inventory is 18% of the next month's sales. Calculate the total production for the first four months (January, February, March and April). Round to the nearest hundreth, two decimal places.

5. Sunrise Poles manufactures hiking poles and is planning on producing 2,949 units in March and 2,157 in April. Each pole requires a half pound of material, which costs $1.48 per pound. The company's policy is to have enough material on hand to equal 9% of the next month's production needs and to maintain a finished goods inventory equal to 24% of the next month's production needs. What is the budgeted cost of purchases for March? Round to the nearest penny, two decimal places.