Answer:
balance in sales returns account = $18200
Step-by-step explanation:
given data 
credit balance = $23,000
Sales = $680,000
cash collections = $720,000
returned = 4% 
credit = $32,000
to find out 
balance in the allowance for sales returns account
solution
we get here estimates for returns that is 
estimates for returns = 4% of $680,000
estimates for returns = $27200
so 
 balance in the allowance for sales returns account will be express as 
balance in the allowance for sales returns account = credit balance + estimates for returns - credit ....................1
put here value we get 
balance in sales returns account = $23,000 + $27200 - $32,000
balance in sales returns account = $18200