Required information

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Movelt Corporation 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 Movelt sold a delivery truck for

$$27,000.$ Movelt had originally purchased the vehicle and recorded it in the Truck account for $$45,000$ and had recorded

depreciation for three years.

Required:

Calculate the amount of gain or loss on disposal, assuming that Accumulated Depreciation$-$Truck was $($a$)$ $$18,000,($b$)$ $$12,000,$ and

$($c$)$ $$21,000.($Select "None" if there is no Gain or Loss.$)$