I3. [12 Points] DETAILS TANAPCALC10 5.R.059. Maximizing Revenue The unit selling price p (in dollars) and the quantity demanded x (in pairs) of a certain brand of men's socks is given by the demand equation F = 1660-0002" (0 s x 5 10,000). How many pairs of socks must be sold to yield a maximum revenue? E pairs of socks What will the maximum revenue be? (Round your answer to the nearest cent.) $:l