The following information is related to December 31,2016 balances. Accounts receivable $1540000 Allowance for doubtful accounts (credit) (109000) Cash realizable value 1050000 During 2017 sales on account were $385000 and collections on account were $202000. Also, during 2017 the company wrote off $21500 in uncollectible accounts. An analysis of outstanding receivable accounts at year end indicated that bad debts should be estimated at $144000. The change in the cash realizable value from the balance at 12/31/16 to 12/31/17 was $531000 increase. $507500 increase. $529000 increase. $553500 increase