Which of the following combinations of personal assets would provide the best potential source of repayment for a business loan, assuming the total stated value for each group were equal? $($A$)$Treasury bills, cash surrender value of life insurance, and closed$-$end mutual funds $($B$)$ Retirement funds, automobiles, and face value of a whole life insurance policy $($C$)$ Retirement funds, shares of stock in the business, and value of personal residence after deducting mortgages $($D$)$ Cash, notes receivable and partnership share in a non$-$related business