Required information [The following information applies to the questions displayed below.] Naidu Companies is the world's leading express-distribution company. In addition to its 643 aircraft, the company has more than 57,000 ground vehicles that pick up and deliver packages. Assume that Naidu sold a delivery truck for $23,000. Naidu had originally purchased the vehicle and recorded it in the Truck account for $39,000 and had recorded depreciation for three years. Using the following structure, indicate the effects (accounts, amounts, and + for increase and for decrease) of the disposal of the truck, assuming Accumulated Depreciation-Truck was (a) $16,000, (b) $13,000, and (c)$19,000. (Enter any decreases to Assets, Liabilities, or Stockholders' Equity with a minus sign.)