For Question $22$ consider a firm operating in a perfectly competitive market with costs of production as partially summarized in the table below:

$\backslash$table$[[$Level of Output,$298,299,300,301,302,303,304,305,306],[$Variable Costs,$$849\mathrm{.}25,$$$858\mathrm{.}96,$$$868\mathrm{.}70,$$$878\mathrm{.}43,$$$888\mathrm{.}21,$$$898\mathrm{.}07,$$$908\mathrm{.}05,$$$918\mathrm{.}10,$$$928\mathrm{.}21$