Shamrock Snowboards converts regular snowboards by adding outriggers and seats so that people who use wheelchairs can snowboard. The income statement for last year, in which 520 snowboards were produced and sold, appears here: $166,400 Revenue Expenses Variable production costs Fixed production costs Variable selling and administration Fixed selling and administration Income $68,640 22,500 9,880 33,200 134,220 $ 32,180 What volume of snowboards must be sold to earn pretax profits of $28,100? (Round answers to whole amounts, e.g. 5,278.) Volume of snowboards: snowboards LINK TO TEXT Shamrock's supplier of snowboards is unable to ship more than 520 boards for the upcoming season. Shamrock has been paying the supplier $91 for each snowboard. (The cost of the snowboards is included in variable production costs.) More expensive snowboards are available from other manufacturers for conversion. If Shamrock's managers expect to sell more than 520 converted snowboards in the upcoming season, what is the most they would be willing to pay outside suppliers for each additional snowboard? Willing to pay: $ Suppose Shamrock pays the price you calculated in the previous part and sells an additional 210 snowboards. What is the company's incremental profit on the 210 snowboards? Incremental profit: $