The production department of Zan Corporation has submitted the following forecast of units to b produced by quarter for the upcoming fiscal year: In acdition, 27,000 grams of raw materials inventory is on hand at the start of the 1st Quarter and the beginning accounts payable for the ist Quarter is $7,400. Each unit requires 6 grams of raw material that costs $1.40 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 4 th Quarter is 7,000 grams. Management plans to pay for 60% of raw material purchases in the quarter acquired and 40% in the following quarter. Each unit Required: 1. and 2. 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. 3. Calculate the expected cash disbursements for purchases of materials for each quarter and for the year as a whole