Answer:
See below
Explanation:
The net realizable values are as follows
ai For accounts receivables
Ending balance of account receivables = Beginning balance of account receivables + Credit sale - Collections uncollectible amount
= $187,800 + $860,400 - $687,720
= $360,480
aii For allowance for doubtful debt
= Beginning balance + Previously written off amount - Uncollectible amount + Bad debt expense
= $9,630 + $2,859 - $7,381 + $18,412
= $23,070