Bramble Eyewear manufactures discount eyeglasses. The company is trying to determine the amount of plastic material used in production during the current year. The inventory manager has in his records that the beginning inventory for the plastic material was $30200 and that the ending inventory for the plastic material is $35800, both based on a physical count. After contacting the purchasing department, it was determined that three separate purchases were made during the year as follows: March 15 $41300 July 23 $37100 October 7 $56400 How much of the plastic material was used to produce glasses during the current year? $140400 $68800 O $200800 $129200