When the revenue of a firm increases by $$640,$ and its cost of goods increases by $$410.$ How much additional tax will the firm have to pay when its marginal tax rate is $20\%?$

Question $19$Select one:

a$.$

$$$$128$

b$.$

$$$$57\mathrm{.}5$

c$.$

$$$$82$

d$.$

$$$$46$