4 22. Caltreck Manufacturing Inc.'s accounting records reflect the following inventories for December 31, 2019 and December 31, 2020 respectively: Raw materials inventory $100,000 $ 80,000 Work in process inventory 130,000 145,000 Finished goods inventory 125,000 115,000 During 2020, Caltreck purchased $950,000 of raw materials, incurred direct labour costs of $125,000, and incurred manufacturing overhead totalling $160,000. How much raw materials is transferred to production during 2020 for Caltreck a) $1,240,000 b) $970,000 c) $950,000 d) $930,000