A company has total assets of as December 31, 2018 of $37,000. The company has the following accounts (12/31/18 balances in parentheses): Cash (Unknown), Accounts Payable ($5,000). Accounts Receivable ($9,000), Supplies ($1,000), Equipment ($22,000), Retained Earnings (Unknown), and Common Stock ($11,000). The company has no other accounts. Solve for cash and Retained Earnings. Show your work.