how do you get 8 dmh and 4.5 dmh?

Presentation2 - PowerPoint O Search mations Slide Show Review View Help A = = = = = 20 - A A S ab AV A LA | Text Direction - [+] Align Text Convert to SmartArt Font Paragraph Requirement a. Total Cost (a) Total Machine hours (b) Cost per machine hour (a/b) $ 10,80,000 9000 hours $ 120 per dmh Determination of per-unit factory Overhead allocated - single rate method Commercial ($120 x 8 dmh) $ 960 per unit Residential ($120 x 4.5 dmh) $ 540 per unit