BE1.6 (LO 4) Presented below are three business transactions. On a sheet of paper, list the letters (a), (b), and (c) with columns for assets, liabilities, and stockholders' equity. For each column, indicate whether the transactions increased (+), decreased (-), or had no effect (NE) on assets, liabilities, and stockholders' equity. brshd BE1.7 (LO 4) Follow the same format as BE1.6 above. Determine the effect on assets, liabilities, and stockholders' equity of the following three transactions. a. Stockholders invested cash in the business for common stock. b. Paid a cash dividend. c. Received cash from a customer who had previously been billed for services performed