(Consider each of the following separately.) 1. Calculate Personas' breakeven point and margin of safety in units. 2. Which of the following changes would help Personas achieve its desired margin of safety? a. The average revenue per customer increases to $7,400. b. The planned number of marketing plans prepared increases by 8%. Personas purchases new software that results in a $52,000 increase to fixed costs but reduces variable costs by $360 per marketing plan. c. Personas prepares marketing plans for growing businesses. For 2020, budgeted revenues are $4,800,000 based on 800 marketing plans at an average rato per plan of $6,000 The company would like to achieve a margin of safety percentage of at least 35%. The company's current fixed costs are $1,680,000 and variable costs average $3,200 per marketing plan. Read the moment