A specialty tea shop sells green tea for $5.50 a package and Jasmine tea for $3.80 a package. a) If

Question: The demand for D for an item as a function of price p is described by

\[D\left( p \right)=\frac{1,433,600}{{{p}^{4}}}\]

If each item costs $4.50 to produce, calculate the price which maximizes the profit, Calculate how many items are sold at this price and the profit made.