When preparing a direct materials budget, the required purchases of raw materials in units equals Multiple Choice raw materials needed to meet the production schedule+ desired ending inventory of raw materials -beginning inventory of raw materials. raw materials needed to meet the production schedule - desired ending inventory of raw materials inventory of raw materials beginning raw materials needed to meet the production schedule - desired ending inventory of raw materials beginning inventory of raw materials. raw materials needed to meet the production schedule + desired ending inventory of raw materials+ beginning inventory of raw materials