The production department of Zan Corporation has submitted the following forecast of units to be produced by quarter for the upcoming fiscal year: Units to be produced 1st Quarter 9,000 2nd Quarter 12,000 3rd Quarter 4th Quarter 11,000 10,000 In addition, 15,750 grams of raw materials inventory is on hand at the start of the 1st Quarter and the beginning accounts payable for the 1st Quarter is $5,600. Each unit requires 7 grams of raw material that costs $1.20 per gram Management desires to end each quarter with an inventory of raw materials equal to 25% of the following quarter's production needs. The desired ending inventory for the 4th Quarter is 8,000 grams. Management plans to pay for 60% of raw material purchases in the quarter acquired and 40% in the following quarter. Each unit requires 0.20 direct labor-hours and direct laborers are paid $15.50 per hour. Required: Calculate the estimated grams of raw material that need to be purchased and the cost of raw material. purchases for each quarter and for the year as a whole.