(1 point) A manufacturer of downhill and cross-country skis reports that manufacturing time is 2 hours and 4 hours, respectively, per ski and that finishing time is 3 hours for each downhill and 2 hours for each cross-crountry ski. There are only 20 hours per week available for the manufacturing process and 18 hours for the finishing process. The average profit is $47 for downhill ski and $75 for cross-country ski. The manufacturer wants to know how many of each type of ski should be made to maximize the weekly profit. Maximum profit is: $ when and downhill skis cross country skis are produced.