The Chiming Clock Company sells a particular clock for $75. The variable costs are $16 per clock and the breakeven point is 220 clocks. The company expects to sell 270 clocks this year. If the company actually sells 390 clocks, what effect would the sale of additional 120 clocks have on operating income? Explain your answer. The sale of an additional 120 clocks would operating income by the amount of The total effect would amount to