Regal Company acquired a delivery truck on January 2, 1998, for \(\$ 107,200\). The truck had an estimated salvage value of \(\$ 4,800\) and an estimated useful life of eight years. At the beginning of 2001, a revised estimate shows that the truck has a remaining useful life of six years. The estimated salvage value changed to \(\$ 1,600\).

Compute the depreciation charge for 1998 and the revised depreciation charge for 2001 using the straight-line method.