A firm believes a product’s sales volume (S) depends on its unit selling price (P) as S = $100 – P. The production cost C is $850 + 9S. Determine the sales volume (S) at which the firm’s profit is a maximum. (Hint: calculate derivative of the profit function with respect to the price)

Hilary works at klothes kloset. she quickly the customers, and her cash drawer is always correct at the end of her shift. however, she never tries to "upsell" the customers (for example, by asking if they would like to purchase earrings to go with the shirt they chose or by suggesting a purse that matches the shoes they are buying). give hilary some constructive feedback on her performance.

As a result of a thorough physical inventory, waterway company determined that it had inventory worth $320200 at december 31, 2020. this count did not take into consideration the following facts: walker consignment currently has goods worth $47400 on its sales floor that belong to waterway but are being sold on consignment by walker. the selling price of these goods is $75900. waterway purchased $21900 of goods that were shipped on december 27, fob destination, that will be received by waterway on january 3. determine the correct amount of inventory that waterway should report.

How much more output does the $18 trillion u. s. economy produce when gdp increases by 3.0 percen?