please show work

download the monthly return of the united parcel service inc., the goldman sachs group, inc., and the american express company's index prices from 31 january 2000 until 31 january 2023

then answer each of the following

(a) for each index, what is your best estimate for next months return?

(b) what would have been your annualized hpr (for each index) if you invested as of january 2000?

(c) which index gave you the highest annualized hpr?