On January 1, Year 2, the Accounts Receivable balance was $22,600 and the balance in the Allowance for Doubtful Accounts was $2,200. On January 15, Year 2, an $620 uncollectible account was written-off. The net realizable value of accounts receivable immediately after the write-off is:

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

d) social security number

let me know if i am correct or not, so i can edit the answer.