Pringle Company distributes a single product. The companys sales and expenses for a recent month follow: Total Per UnitSales $$560,000$ $$80$Variable expenses $392,00056$Contribution margin $168,00024$Fixed expenses $150,000$Net operating income $$18,000$Instructions:$1.$ What is the monthly break$-$even point in unit sold and in sales dollars?$2.$ What is the companys CM ratio and the variable expense ratio?$3.$ Without resorting to computations, what is the total contribution margin at the break$-$even point?$4.$ If monthly sales increase by $$80,000$ and there is no change in fixed expenses, by how much would you expect monthly net operating income to increase?$5.$ Refer to the original data. Compute the companys margin of safety in both d o l l a r and p e r c e n t a g e terms$\mathrm{.}6.$ How many units would have to be sold each month to earn a target profit of $$18,000?7.$ Pringle Company is considering enhancing its profits by adding a high quality speaker to its telephone devices. The variable expenses per unit will change from $$56($current$)$ to be $$60($proposed$).$ The suggestion will reduce fixed expenses from $$150,000($current$)$ to be $$102,000($proposed$).$ If sales per unit equal $$80($will not change$)$and the company sells $10,000$ units, by how much will the profits increase$/$ decrease?$8.$ Calculate the break$-$even sales in dollars for the proposed plan in required $7.$