answer the following using break even analysis $3.$ Ice cream shops sells its product at P$30$ per cone. Fixed cost is P$4000$ and variable cost per cone is P$20.$ Due to stiff competition, the sale of product began to decline. Its per unit selling price is decreased by $\backslash (10\backslash \%\backslash )$ of unit$($per cone$)$ sold. Variable cost and fixed cost remain constant. A$.$ Represent the new selling price per unit B$.$ Write the TR$,$ TC and profit functions C$.$ Find the break$-$even point quantity and revenue D$.$ Find The profit at a sale of $500$ ice creams.