Head-First Company plans to sell 4,200 bicycle helmets at $71 each in the coming year. Variable cost is 59% of the sales price; contribution margin is 41% of the sales price. Total fixed cost equals $50,000 (includes fixed factory overhead and fixed selling and administrative expense). Required: 1. Calculate the sales revenue that Head-First must make to earn operating income of $66,440 by using the point in sales equation. 2. Check your answer by preparing a contribution margin income statement based on the sales dollars calculated in Requirement 1