if Jasper is otherwise in the top federal income tax bracket for this year, how much capital gains tax does he owe on the property sale?

if Jasper is otherwise in the top federal income tax bracket for this year, how much capital gains tax does he owe on the property sale?

a 15,000

b $20,000

c $25,000

d $35,000

I'm confused with c or d, whether to use 20 or 25%

Thanks