What is the sensitivity analysis here?

Bubba's Western Wear $8000 Bubba is considering the Sales price Per unit variable expenses elimination of sales 4150 commissions completely and Purchase cost Sales commissions Total per unit variable costs Total annual fixed expenses increasing salaries by $160,000 annually. Under the current structure, he expects sales of around 20,000 hats 10.50 $ 5200 Advertising Rent Salaries $ 98,500 146,500 255,000 $500,000 Total fixed expenses