Darnell, a $66$ years old worker, is deciding between retirement either this year or the next year. His average monthly benefit is determined to be $$2,323\mathrm{.}25.$ Assume that the benefit is the same for this year and the next year.

Hint: Use the $2018$ annual income limit of $$17,040$ when computing the annual reduction benefit.

Compute Darnell$$s annual benefit reduction amounts in each of the following scenarios.

$$ If Darnell retires this year and secures a part$-$time job earning $$21,000,$ his annual benefit reduction amount is

$

$.$

$$ If Darnell retires this year, secures the same part$-$time job, and in addition projects interest and dividend earnings of $$7,000$ per year, what his annual benefit reduction amount is

$

$.$

$$ If Darnell retires next year and secures the same part$-$time job, the annual benefit reduction amount is

$

$.$