Required information [The following information applies to the questions displayed below.) Monterey Co. makes and sells a single product. The current selling price is $14 per unit. Variable expenses are $8.4 per unit, and fixed expenses total $25,400 per month (Unless otherwise stated, consider each requirement separately) 1-1. Calculate the monthly operating income (or loss) that would result from a $1 per unit price increase and a $6,000 per month Increase in advertising expenses, both relative to the original data. Assume a sales volume of 5,250 units per month. (Do not round Intermediate calculations.) 1-2. Is the increase in advertising expense justified by the price increase? Yes NO