5:35 vclass.emmanu.edu.jo Figure Time left 0:29:33 Assume the following data for Amman company Sales revenue (2000 $40000 units) 6000 Total Direct materials Total direct 6000 labor Total variable manufacturing 8000 cost Total fixed manufacturing 12000 cost Rent a factory 6000 building Insurance a factory 5000 building Advertising 1000 expenditures Margin of safety in units is: O a. - 400 units O b. 380 OC - 500 d. 800