A company$$s financial statements from the past $2$ years have the following values.

Previous Year

Current Year

Sales revenue

$ $6,000,000$

$ $6,600,000$

Net income

$500,000$

$540,000$

Total assets

$10,000,000$

$10,500,000$

Inventory

$600,000$

$500,000$

Using horizontal analysis, what account has the largest percentage change?