As of December 31, 2017, Nilsen Industries had $3,100 of raw materials inventory. At the beginning of 2017, there was $2,300 of materials on hand. During the year, the company purchased $201,000 of materials; however it paid for only $160,800. How much inventory was requisitioned for use on jobs during 2017? $201.800 $161,600 $160,000 $200,200