Suds and Spirits purchased a customer list from a nearby gourmet grocery for $$20,000$ on

January $1,2017.$ The expected service life was $5$ years with an expected residual value of

$$2,000.$ Since the list would be most valuable $($most current$)$ in the first few years, the

company elected to use double$-$declining balance method of amortizing the cost. By December

$31,2019,$ it was clear that the customers on the list were more stable than Subs and Spirits

expected. The owners believed that the customer list would have a total useful life of $10$ years

with no residual value. The amortization method was switched to straight$-$line.

What was amortization expense for $2020?$

Select one:

a$.$ $$841$

b$.$ $$617$

c$.$ $$432$

d$.$ $$695$