On June 13, 2013, Cook Company of Brandon bought equipment for $4,080. Its estimated life is four

Question:

On June 13, 2013, Cook Company of Brandon bought equipment for $4,080. Its estimated life is four years with a residual value of $240. Prepare amortization schedules for 2013, 2014, and 2015 for
a. Straight- line.
b. Double-declining-balance at twice the straight-line rate.
c. Sum-of-the-years’-digits (optional) methods.