Answer: $22,374
Explanation:
With terms of of 1/10 n (unclear), it means that the customer paid their dues within 10 days and were liable for a sales discount of 1%.
The amount of refund that the customer should get is therefore what they paid which is 1% less than the full amount.
Calculating for that then will be,
= Amount due *(1-discount rate)
= 22,600 * (1 - 0.01)
= $22,374
$22,374 is the amount due for refund.