MoCo begins operations in April, uses the perpetual method, and records merchandise at net. MoCo makes two purchases on account Terms are 1/15,n/45. on April 4, MoCo purchases merchandise for $3,000, which it pays on April 16. On April 11 makes a $9,000 purchase that it pays for on April 29, but there are no sales in April. On April 30, the balance in MoCo's inventory ledger account is?