Al and David form a partnership by combining the assets of their separate businesses. AL contributes accounts receivable with a face amount of $20,000 and equipment with a cost of $160,000 and accumulated depreciation of $128,000. The partners agree that the equipment is to be valued at $48,000, that $3,500 of the accounts receivable are completely worthless and are not to be accepted by the partnership, and that $2,000 is a reasonable allowance for the uncollectibility of the remaining accounts receivable. David contributes cash of $25,000 and merchandise inventory of $46,500. The partners agree that the merchandise inventory is to be valued at $52,000. Journalize the entries to record in the partnership accounts (a) Al's investment and (b) David's investment