$5-$Jan$-0438\mathrm{.}24$

$6-$Jan$-0437\mathrm{.}95$

$7-$Jan$-0437\mathrm{.}67$

$8-$Jan$-0438\mathrm{.}12$

$9-$Jan$-0436\mathrm{.}73$

$12-$Jan$-0435\mathrm{.}47$

$13-$Jan$-0434\mathrm{.}66$

$14-$Jan$-0435\mathrm{.}46$

$15-$Jan$-0434\mathrm{.}98$

a$)$ For each stock compute the rate of return where Pi$,$t is the price of stock i at time t$.$ Be sure to place the stock prices in the correct order to calculate the returns.