Prepare journal entries to record these transactions. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.) (a) Carla Vista Co retires its delivery equipment, which cost $50,810. Accumulated depreciation is al50 $50,810 on this delivery equipment No salvage value is received. (b) Assume the same information as in part (a), except that accumulated depreciation for the equipment is $37,640 instead of 50.810