on 8 Assuming I have the following red Units 30 20 Actuals d out of Budget Sales 300 180 VC 240 150 ion CM 60 30 FC 10 20 NI 50 10 Flex Budget Did the Manager good a good job for: Fixed Costs - Favourable / (Unfavourable) Select one: O a. 10 O b. None of the above O c. (13.3) O d. 13.3 O e. (10) O f. (20)