The Chiming Clock Company sells a particular clock for $40. The variable costs are $17 per clock and the breakeven point is 290 clocks. The company expects to sell 340 clocks this year. If the company actually sells 450 clocks, what effect would the sale of additional 110 clocks have on operating income? Explain your answer. The sale of an additional 110 clocks would increase operating income by the amount of The total effect would amount to 2530 the additional contribution margin. the income that exceeds fixed costs. the increase in units sold. the revenue that exceeds the breakeven point