A comprehensive EBITDA cash flow analysis should NOT include which of the following:

a$.$ A comprehensive business environmental risk analysis.

b$.$ Analysis of the income statement and balance sheet for at least the last two years.

c$.$ Ratio trend analysis of the liquidity, financial leverage and profitability ratios.

d$.$ Ratio trend analysis of the activity ratios $($Swing Factors$).$

e$.$ A UCA cash flow analysis

f$.$ All of the above.