Table:
0
A
B
C
1
June 30,
2019
June 30,
2018
2
Accounts receivable 
$201,365
$225,167
3
Allowance for doubtful accounts
(1,054)
(1,478)
4
Allowance for product returns
(25,897)
(11,266)
5
Accounts receivable, net 
$174,414
$212,423

Questions and formulas:
Question: What was the percentage change in the Allowance for product returns between 2018 and 2019?
Formula: (B4-C4)/C4
Formula2: (B4-C4)/C4
Level: Calculation