JRJ Corporation expects to have sales of $$15$ million and costs other than depreciation of $$12$ million. Depreciation is expected to amount to $$1$ million, and interest expense is expected to total $$400,000.$ Sales revenues will be collected in cash, and costs other than depreciation must be paid for during the year. JRJ$\text{'}$s tax rate is $40\%.$

a$.$ What is JRJ$\text{'}$s expected net cash flow from operations?

b$.$ Suppose Congress changed the tax laws so that JRJ$\text{'}$s depreciation expenses doubled, but no changes in operations occurred. How much would JRJ save in taxes?