please help, ans all empty slots

1. The company performed $23,550 of services for customers on account. 2. The company received $23,550 in cash from customers who had been billed for services [in transaction (1)]. 3. The company received a bill for $3,420 of advertising but will not pay it until a later date. 4. Blossom Company paid a cash dividend of $2,520. Prepare a tabular analysis that shows the effects of these transactions on the expanded accounting equation. (If a transaction causes a decrease in Assets, Liabilities or Stockholders' Equity, place a negative sign (or parentheses) in front of the amount entered for the particular Asset, Liability or Equity item that was reduced. See Illustration 3-4 for example.)