XYZ company's marketing department recommends to manufacture and market a new eco$-$friendly and sustainable product. The financial department provides the following cost Php $6,000$ is the estimated fixed costs and the estimated variable cost is Php $100$ per unit. The revenue function is given with an equation of $150$x$-0\mathrm{.}005$x$2.$ Determinea. the optimal demand and value $($Pap$)$b$.$ The demand in unit and amount $($Php$)$ that will give highest revenuec. Break even points and range of profitability