At September 1, Rf40n Company reported total assets of $396,000. During September, the company recorded the following transactions: 1. collected accounts receivable totaling $24,200 2. earned service revenue of $67,000, of which 45% was received in cash 3. sold land that had a $17,900 cost for $31,200 cash 4. incurred expenses of $33,000, of which 85% was paid in cash Calculate the total assets of Rf40n Company after the above four transactions have been recorded