Please show all your work and do not provide give me the answer with the excel.

8. lr'ou have SEUDD in an account that I\"Fields a nominal return of 5%. If the inflation rate is 3%, howr long will you have to leave your rnoneI...I in the account for it to double in real terms? 9. 1-1 project that costs $1200 immediately. The project yields nominal returns of $2 in years 1 and 2, $25G in years 3 and 4, and $3DD in year 5. In addition, the project will have capital worth $4 leftoyer at the end of year 5. The real discount rate is 4% and the expected inflation rate is 2%. What is the l'llP'llIIr of this project