Rоzen & Cо. mаkes аnd sells twо types of sweаters, Plain and Fancy. Data concerning these products are as follows: Plain Fancy Unit selling price $20.00 $35.00 Variable cost per unit $12.00 $24.50 Annual fixed expenses for Rozen & Co. are $45,000. If 60% of the projected unit sales are for Plain, how many units of Plain must be sold to break even?