David Segal started a business. During the first month (October 20 ), the following transactions occurred. (a) Invested cash in the business, $15,000. (b) Bought oftice supplies for $3,800:$1,800 in cash and $2,000 on account. (c) Paid one-year insurance premium, $1,000. (d) Earned revenues amounting to $2,700:$1,700 in cash and $1,000 on account. (e) Paid cash on account to the company that suppled the office supples in transaction (b), $1,800. (f) Paid oftice rent for the month, $650. (g) Withdrew cash lor personal use, $150. The efloct of each transaction is shown in the indwidual accounts of the expanded accounting equation. astructions