A fixed cost: Select one of 1 stion O a. goes up in total when activity increases. O b.goes down in total when activity increases. O c. goes down per unit when activity increases. O d.goes up per unit when activity increases. A company produces washers and dryers in an assembly-line process. Labor costs incurred during a recent period were: corporate executives, $500,000; assembly-line workers, $167,000; security guards, $45,000; and plant supervisor, $110,000. The total of company's direct labor cost was: F t of 2 estion Select one: O a. $822,000 O b. $712,000 O c. $167,000 O d. $277,000 O e. $173,000