Morty industries has projected sales of its product for the next $6$ months: Jan $300$ units, Feb $700$ units, march, $1000$ units, april $900$ units, may $400$ units, june $300$ units. each unit is sold at $$50$ per unit. the cost of good sold is typically $35\%$ of the following month's budgeted sales revenue. Morty tries to maintain a finished goods ending inventory equal to the $40\%$ of next month's cost of goods sold. January beginning inventories are expected to conform to company policy. prepare a purchase budget for March and April.