The balances of selected accounts taken from Dec. 31, 2020 of MM Co. are shown below: AR 674,000 Allowance for doubtful accounts 24,000 The ff. transactions (in summary) affecting AR occurred the year ended Dec. 31, 2021: Sales (all on account, terms 2/10, 1/15, n/60) Cash received from customers Cash received includes the ff.: Customers paying w/in 10-day discount period Customers paying w/in 15-day discount period Recovery of accounts written off Customers paying beyond discount period 3,000,000 3,200,000 1,764,000 990,000 6,000 ? AR written off as worthless Credit memo for sales return It's the company's policy to provide for uncollectible accounts equal to 1% of sales. How much is the carrying value of the AR as of Dec. 31, 2021? 22,000 12,000