You are trying to calculate how long it will take $ $8000$ invested at $8\%$ p$.$a$.$ compounded monthly to double. Applying the tools that you have learned in this class you initially find n $($the number of periodic periods$).$ This answer No will initially be in terms of

a$.$

years

b$.$

months

c$.$

half$-$years

d$.$

quarters

e$.$

days