Swifty lnc$.($AP$)$ is a manufacturer of toaster ovens. To improve control over operations, the president of AP wants to begin using a flexible budgeting system, rather than use only the current master budget. The following data are available for AP's expected costs at production levels of $87,000,100,000,$ and $113,000$ units.

Variable costs

$\backslash$table$[[$Manufacturing$,$$$6$ per unit$],[$Administrative$,$$$4$ per unit$],[$Selling$,$$$1$ per unit$],[$Fixed costs,$],[$Manufacturing$,$$$155,000$

Question b please $!!$