Edgerron company is able to produce two products, g and b, with the same machine in its factory. the following information is available. product gproduct bselling price per unit $120 $160 variable costs per unit 40 90 contribution margin per unit $80 $70 machine hours to produce 1 unit 0.4hours 1.0hours maximum unit sales per month 600units 200units the company presently operates the machine for a single eight-hour shift for 22 working days each month. management is thinking about operating the machine for two shifts, which will increase its productivity by another eight hours per day for 22 days per month. this change would require $15,000 additional fixed costs per month. (round hours per unit answers to 1 decimal place. enter operating losses, if any, as negative values.)