Bonita Industries's accounting records reflect the following inventories: Dec. 31, 2020 Dec. 31, 2019 Raw materials $260000 $210000 inventory Work in process 300000 160000 inventory Finished goods inventory 190000 150000 During 2020, $750000 of raw materials were purchased, direct labor costs amounted to $670000, and manufacturing overhead incurred was $640000. Bonita Industries's total manufacturing costs incurred in 2020 amounted to $1970000. $2010000. $2060000. $1870000.