Abbreviated financial statements are given for Fletcher Corporation in the following table:

$20192020$

Revenues $$600\mathrm{.}00$ $$690\mathrm{.}00$

Operating expenses $520600$

Depreciation $1618$

Earnings before interest and taxes $6472$

Less Interest Expense $55$

Less: Taxes $23\mathrm{.}626\mathrm{.}8$

Equals: Net income $35\mathrm{.}440\mathrm{.}2$

Addendum:

Yearend working capital $150200$

Principal repayment $2525$

Capital expenditures $2010$

Yearend working capital in $2018$ was $$160$ million and the firm$$s marginal tax rate is $40\%$ in both $2019$ and $2020.$ Estimate the following for $2019$ and $2020$:

a$.$ Free cash flow to equity.

b$.$ Free cash flow to the firm.

Please provide detailed explanation