a$.$ Complete the following cost schedule by computing marginal cost, average fixed cost, average variable cost, and average total cost.

Instructions: Round your responses to the nearest whole number.

$\backslash$table$[[\backslash$table$[[$Rate of$],[$Output$]],$Total Cost,Marginal Cost,$\backslash$table$[[$Average$],[$Fixed Cost$]],\backslash$table$[[$Average$],[$Variable Cost$]],\backslash$table$[[$Average Total$],[$Cost$]]],[0,$$$300,,,,],[1,350,,,,],[2,500,,,,],[3,800,,,,],[4,1,100,,,,],[5,1,600,,,,]]$

b$.$ At what output rate is average total cost minimized?

units