To derive the raw material to purchase during an accounting period, an accountant would calculate the raw material required for production and then: Multiple Choice add the desired ending raw-material inventory and subtract the beginning raw material inventory add the beginning raw material inventory and subtract the desired ending raw material Inventory add the desired ending raw material inventory and subtract both the beginning raw material inventory and the expected units to be sold add the beginning raw material inventory and the desired ending raw material Inventory subtract the beginning raw material Inventory and the desired ending raw material inventory