Regression Statistics
Multiple R	0.988609498
R Square	0.97734874
Adjusted R Square	0.975289534
Standard Error	39.44999726
Observations	13
ANOVA
	df	SS	MS	F	Significance F
Regression	1	738658.7226	738658.7226	474.6241975	2.13107E-10
Residual	11	17119.32512	1556.302284
Total	12	755778.0477
	Coefficients	Standard Error	t Stat	P-value	Lower 95%	Upper 95%	Lower 95.0%	Upper 95.0%
Intercept	-168.9983354	33.90225259	-4.984870398	0.000412256	-243.6166902	-94.37998053	-243.6166902	-94.37998053
X Variable 1	0.039379719	0.001807581	21.78587151	2.13107E-10	0.035401261	0.043358177	0.035401261	0.043358177

Using the Solver function in Excel, assuming sales are $28,000 what reduction in variable costs per $1 of sales is required to enable the company to generate a net profit after tax equal to 5% of total costs? (Refer to the original data and profit and cost functions developed using regression analysis as well as a corporate tax rate of 30%) (4 decimal places).