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4. Pat's Pizza Kitchen is a price taker, and the table displays its total costs: Output [pizzas per day] Total cost 0 21 30 41 54 69 90 ONU'l-P-WNHD [QWhat is Pat's shut-down point? I mean a price below which Pat will not be operating. [ii] Calculate/identify Pat's supply curve. [ii] Calculate the profit maximizing quantity and economic profit if the price is $14 a pizza. [iii] Assume that now, there is an increase in xed costs =20, whereas TVC stays the same. Assume that there are many homogeneous firms allowed to enter/exit. Can you compute the [long-run] equilibrium price