Mr. Buster wants to open a new vacuum store called the Pick-up in a nearby plaza. Mr. Buster will be selling vacuums for $130 each. Variable costs (not induding the leasing costs below) are $94 for every vacuum. in terms of lease payments, the plaza has provided him three options: i. Pay $20 per vacuum sold ii. $19,000 per month iii, $15,000 per month and $13 per vacuum sold Do not enter dollar signs or commas in the ioput boxes. Use the negative sign for negative values. Bound all answers to the nearest whole number. a) Calculate the monthly operating income for each of the three options if 370 units are sold and if 680 units are sold. b) At a production level of 680 units, which option should be recommended? Option: c) Calculate the degree of operating leverage for the second lease option if Mr. Buster sells 680 vacuums. Bound your answer to 2 decimal places. Degree of Operating Leverage