Problem 3-2National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows:MonthSales(000)UnitsFeb.19Mar.18Apr.12May.29Jun.18Jul.24Aug.29b.Forecast September sales volume using each of the following:(1)A linear trend equation.(Round your intermediate calculations and final answer to 2 decimal places.)Ytprovides forecasts with less average error and less average squared error.Problem 3-24Timely Transport provides local delivery service for a number of downtown and suburban businesses. Delivery charges are based on distance and weight involved for each delivery: 20 cents per pound and 20 cents per mile. Also, there is a $10 handling fee per parcel.a.Develop an expression that summarizes delivery charges. (Enter your answers as dollar amounts to 2 decimal places (x1 = weight, x2 = distance). Omit the “$” sign in your response.)y = $ [removed] x1 + $ [removed] x2 + $ [removed]b.Determine the delivery charge for transporting a 40-pound parcel 20 miles. (Do not round your intermediate calculation. Round your answer to 2 decimal places. Omit the “$” sign in your response.)y = $ [removed]Problem 3-15The manager of a fashionable restaurant open Wednesday through Saturday says that the restaurant does about 28 percent of its business on Friday night, 27 percent on Saturday night, and 22 percent on Thursday night. What seasonal relatives would describe this situation?(Round your answers to 2 decimal places.)Wednesday[removed]Thursday[removed]Friday[removed]Saturday[removed]