Vaughn Manufacturing's accounting records reflect the following inventories: Dec 31, 2020 $290000 Dec 31, 2019 $220000 Raw materials inventory Work in process inventory Finished goods inventory 300000 160000 190000 150000 During 2020, $760000 of raw materials were purchased, direct labor costs amounted to $670000, and manufacturing overhead incurred was $640000. Vaughn Manufacturing's total manufacturing costs incurred in 2020 amounted to $2000000 O $1860000 $2070000. O $1960000