The marketing manager of Solomon Corporation has determined that a market exists for a telephone with a sales price of $22 per unit. The production manager estimates the annual fixed costs of producing between 40,200 and 80,700 telephones would be $639,400. Required Assume that Solomon desires to earn a $119,000 profit from the phone sales. How much can Solomon afford to spend on variable cost per unit if production and sales equal 47,400 phones