n $2020,$ Natural Selection, a nationwide computer dating service, had $$518$ million of assets and $$209$ million of liabilities. Earnings

before interest and taxes were $$129$ million, interest expense was $$29$ million, the tax rate was $40$ percent, principal repayment

requirements were $$24\mathrm{.}9$ million, and annual dividends were $30$ cents per share on $21$ million shares outstanding.

a$.$ Calculate the following for Natural Selection:

Note: Round your answers to $2$ decimal places:

b$.$ What percentage decline in earnings before interest and taxes could Natural Selection have sustained before failing to cover:

Note: Round your answers to $1$ decimal place.