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The production department of Zan Corporation has submitted the following forecast of units to be produced by quarter for the upcoming fiscal year: In addition, 6,000 grams of raw materials inventory is on hand at the start of the ist Quartet and the beginning accounts payable for the 1st Quarter is $2,880. Each unit requires 8 grams of raw material that costs $:.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 4 th Quarter is 8.000 grams. Management plans to pay for 60% of row material purchases in the quarter acquired and 40% in the following quarter, Each unit requires 0.20 d rect labor hours and direct laborers are paid $15 pet hout. 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 materiats for each quarter and for the year as as whole. 4. Calculate the estimated direct labor cost for each quarter and for the year as a whole