Phil's Army Surplus calculator business was going great guns - especially the newest models with exclusive camouflage color schemes. Phil sold the calculators from his own dedicated web site: Phil- the-bill.com and had consistent sales of 410 units per week. The calculators sold for $42 earning Phil a margin of 46% percent. He also sold the calculators for the same price through an online department store, BigMuddy.com. BigMuddy earns a 19% commission on sales resulting from clickthroughs originating from BigMuddy. The latter accounts for 13% of total unit sales and somewhat less of dollar sales after commissions were paid. If Phil offers an electronic coupon for 10% off the price of sales through BigMuddy and BigMuddy's dollar margins remain unchanged, what unit increase will be required to increase weekly contribution dollars from BigMuddy sales by 25%? Assume zero cannibalization. TUTORIM o units PS2 1 2 3 4 5 6 SUBMIT ANSWER EXIT CALCULATED VARIABLES: lift = 0.632 (63.2%) incsales = 259