Required information [The following information applies to the questions displayed below] Monterey C0 makes and sells a single product. The current selling price is $15 per unit Variable expenses are $9 per unit, and foxed expenses total $27,000 per month. (Unless otherwise stated, consider each requirement separately.) lanagement is considering a change in the sales force compensation plan. Currently each of the firm's two salespeople is paid a alary of $2,500 per month. -1. Calculate the monthly operating income (or loss) that would result from changing the compensation plan to a salary of $400 per honth, plus a commission of $0.80 per untt, assuming a sales volume of 5,400 units per month. 9-2. Calculate the monthly operating income (or loss) that would result from changing the compensation plan to a salary of $400 per month, plus a commission of $0.80 per unit, assuming a sales volume of 6.000 units per month. h-1. Assuming that the sales volume of 6,000 units per month achieved in part g could also be achieved by increasing advertising by $1,000 per month instead of changing the sales force compensation plan. What would be the operating income or loss