If I remember correctly, fixed costs are constant so shouldn't "I" and "L" both be $11? I'm pretty lost with how to actually solve the rest of the problem because I'm not sure if theres a particular method or formulas that I should be using to make this easier.

Number of Muffler Replacements 200 500 900 Total costs: Fixed costs Variable costs $1,800 D4,500 G8,100 Total costsBE H Cost per muffler replacement: Fixed cost Variable cost J Total cost per muffler replacement $11 iM K NP Required 1. Fill in the missing amounts labeled A through O, in the table. 2. Write the mixed cost formula for Ant Man Muffler, Inc