Prepare journal entries for the following transactions which occurred at Stark Corporation: The owner, Tony Stark, invested cash of $12,000 and office equipment valued at $7,500 into the business, receiving common shares in exchange. Purchased supplies for cash, $1,000. Paid $750 for one months rent on the store. Billed a client, Ultron, $1,500 for services rendered. Tony Stark received a dividend of $300.