I need to know how to perform a sensitivity analysis with the available information.

Incremental Cash Flows	Year 1	Year 2	Year 3	Year 4
Annual Sales Revenue	$360,000.00	$396,900.00	$423,720.00	$448,776.00
Less Annual Costs	$150,000.00	$165,375.00	$176,550.00	$186,990.00
Depreciation	$113,989.00	$152,019.00	$50,650.00	$25,342.00
EBIT	$96,011.00	$79,506.00	$296,520.00	$236,444.00
Less Taxes	$40,324.62	$33,392.52	$124,538.40	$99,306.48
EBT	$55,686.38	$46,113.48	$171,981.60	$137,137.52
Add Depreciation	$113,989.00	$152,019.00	$50,650.00	$25,342.00
Incremental Operating CF	$169,675.38	$198,132.48	$222,631.60	$162,479.52