Hunter Thompson, an owner, made an additional investment of $21,000 in cash. A firm purchased equipment for $10,000 in cash. A firm sold some surplus office furniture for $1,700 in cash. A firm purchased a computer for $3,700, to be paid in 60 days. A firm purchased office equipment for $11,200 on credit. The amount is due in 60 days. Nancy Fowler, owner of Fowler Travel Agency, withdrew $6,000 of her original cash investment. A firm bought a delivery truck for $37,000 on credit; payment is due in 90 days. A firm issued a check for $3,500 to a supplier in partial payment of an open account balance.