The Time Clock Company sells a particular clock for $65. The variable costs are $21 per clock and the breakeven point is 280 clocks. The company expects to sell 330 clocks this year If the company actually sells 470 clocks, what effect would the sale of additional 140 docks have on operating income? Explain your answer. The sale of an additional 140 clocks would operating income by the amount of The total effect woukd amount to