What would be the effect of each of the following events on a firm's breakeven point? Indicate the effect in the space provided with a (+) for an increase, a (-) for a decrease, and a (0) for no effect. When answering this question, assume that everything except the change indicated is held constant. An increase in the sales price _____ A reduction in variable labor costs _____ A decrease in fixed operating costs _____ Issuing new bonds