On january 2, 2019, adelphi company purchased a patent for $235,000 plus
$10,000 in legal fees. on that date, the patent had a remaining legal life of 13 years.
adelphi company expects to use the patent for 7 years after which time it will be
worthless. how much is the annual amortization expense for 2019? round to
nearest whole dollar.

The annual amortization expense for 2019 will be $35000.

Explanation:

The amortization expense for the patent calculated based on the useful life of patent. The purchase of value of $235000 plus $10000 gives the total value of $245000 while use the patent of 7 years.

The formula for amortization expense = (Cost of patent - Residual value ) / Useful life of patent)

amortization expense = ($245000-0)/7 = $35000

The legal life would not count due patent in business use for limited life compare to legal life of patent.