QUESTION 4 The budgeted amount of raw materials to be purchased is determined by: adding the desired ending inventory of raw materials to the raw materials needed to meet the production schedule. subtracting the beginning inventory of raw materials from the raw materials needed to meet the production schedule. adding the desired ending inventory of raw materials to the raw materials needed to meet the production schedule and subtracting the beginning inventory of raw materials, adding the beginning inventory of raw materials to the raw materials needed to meet the production schedule and subtracting the desired ending inventory of raw materials