For Each of the Following Intangible Assets,indicate the Amount of Amortization

For each of the following intangible assets,indicate the amount of amortization expense that should be recorded for the year 2017 and the amount of accumulated amortization on the balance sheet as of December 31,2017.
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$$\begin{array} { | l | l | l | l | } \hline &{ \text { Trademark } } & { \text { Patent } } & { \text { Copyright } } \\\hline \text { Cost } & \$ 66,000 & \$ 75,000 & \$ 96,000 \\\hline \text { Date of purchase } & 1 / 1 / 10 & 1 / 1 / 12 & 1 / 1 / 15 \\\hline \text { Useful life } & \text { Indefinite } & 10 \text { years } & 20 \text { years } \\\hline \text { Legal life } & \text { Undefined } & \text { 20 years } & 50 \text { years } \\\hline \text { Method } & \text { Straight-line } & \text { Straight-line } & \text { Straight-line } \\\hline\end{array}$$