Muler Company's contribution format income statement for the most recent month is shown below: Required: (Censider each of the feur requirements independenty): 1. Assume the soles volume incteases by 4.488 units: a. What is the revised net operating income? b. What is the percent inctease in unit sales? c. Using the most recent month's degree of operating leverage, whot is the percent increase in net operating income? 2. What is the revised net operating income if the seling price decteases by $150 per unit and the number of units rold increases by 169 ? 3. What is the revised net operoting income if the sesing peice increases by $1.50 per unit, foxed expenses increase by $5,000, and the number of units sold decreases by 48 ? 4. Whot is the revised net operating income if the selling pice per unit increases by 10k, variatile expenses increase by 30 cents per Whit, and the namber of units sold docreases by 11ss