please help me solve by showing work. i need to understand. thank you!

Mobility Partners makes wheelchairs and other assistive devices. For years it has made the rear wheet assembly for its wheelchairs. A local bicycle manufacturing firm, Trailblazers, Inc. offered to sell these rear wheel assemblies to Mobility. I Mobility makes the assembly, its cost per rear wheel assembly is as follows (based on annual production of 1,800 units); Direct materials Direct labor Variable overhead Fixed overhead Total $ 30 110 15 39 $194 Trailblazers has offered to sell the assembly to Mobility for $169 each. The total order would amount to 1800 rear wheel assemblies per year, which Mobility's management will buy instead of make if Mobility can save at least $20,000 per year. Accepting Trailblazers's offer would eliminate annual fixed overhead of $38,150. Required: a. Prepare a schedule that shows the total differential costs. (Select option "higher" or "lower", keeping Status Quo os the base. Select "none" if there is no effect.) Status Quo $ 0 Alternative Difference Traiblazerstoffer Materials Labor Variable overhead Fixed overhead applied Total costs $ 0 $