The following transactions occur for the Panther Detective Agency during the month of July 1. Purchase a truck and sign a note payable, $13,000. 2. Purchase office supplies for cash, $400. 3. Pay $600 in rent for the current month. Analyze each transaction and show the effects of each on the accounting equation. Note: Decreases to account classifications should be indicated by a minus sign. Transaction = Liabilities Stockholders' Equity Assets (1) $ 13,000 = (1) = + (2) = + (2) = + (3) = + (3) =