The following items appeared on the year-end trial balance of Consolidated Freight Corporation: cash in a checking account, U.S. Treasury bills that mature in six months, undeposited customer checks, cash in a savings account, and currency and coins. Which of these items would be included in the company's balance sheet as cash and cash equivalents? Cash in a checking account U.S. Treasury bills that mature in six months Undeposited customer checks Cash in a savings account Currency and coins Included Excluded