I need help finding how to calculate in excel the the cells for the sensitivity analysis

Deluxe usually evaluates its investments using an after-tax discount rate of 8%. The proposed project is considered to be riskier than average and so a risk-adjusted rate of 9% will be used for this project.

Depreciable Capital	$30,000,000.00
Residual Value (10%)	$3,000,000.00
Depre. / year	$9,000,000.00
	Year
	Present	2016	2017	2018
Fixed Capital	$(30,000,000.00)
Net Working Capital	$(16,000,000.00)
Total	$(46,000,000.00)
EBT		$14,000,000.00	$17,000,000.00	$22,000,000.00
Tax 25%		$3,500,000.00	$4,250,000.00	$5,500,000.00
Net Earnings		$10,500,000.00	$12,750,000.00	$16,500,000.00
Add Depre.		$9,000,000.00	$9,000,000.00	$9,000,000.00
After Tax Op Cash Flow		$19,500,000.00	$21,750,000.00	$25,500,000.00
After Tax Salvage Value				$2,250,000.00
Return of Net Working Cap				$16,000,000.00
Total				$18,250,000.00
Total After Tax	$(46,000,000.00)	$19,500,000.00	$21,750,000.00	$43,750,000.00
NPV @ 9%	$115,979,475.36
IRR	32%
Sensitivity Analysis
NPV value with 10%, 20%, 30% plus/minus change in EBT, Discount rate and tax rate
	Plus 10%	Minus 10%	Plus 20%	Minus 20%	Plus 30%	Minus 30%
EBT	$119,290,022.85	$112,668,927.88	$122,600,570.33	$109,358,380.39	$125,911,117,82	$106,047,832.91
Discount rate	$114,711,167.81	$117,285,354.71	$113,479,016.71	$118,630,289.98	$112,281,671.72	$120,015,838.08
Tax rate	$118,790,133.12	$121,241,543.04	$117,564,428.16	$122,467,248.00	$116,338,723.20	$123,692,952.96
IRR value with 10%, 20%, 30% plus/minus change in EBT and tax rate
	Plus 10%	Minus 10%	Plus 20%	Minus 20%	Plus 30%	Minus 30%
EBT	35%	29%	38%	26%	41%	23%
Tax rate	31%	33%	30%	35%	29%	36%