$5.(1$ point$)$ Download the monthly prices for IVV and VOO for the time period between January $1,2018$ and December $31,2022$

$7.(2$ points$)$ Compute the arithmetic mean monthly return for IVV and VOO.

$8.(2$ points$)$ Graph the monthly returns for IVV only with the data on the x$-$axis and monthly returns on the y$-$axis.

$9.(2$ points$)$ Explain why these two securities$,$ IVV and VOO, have the same monthly return even though their monthly prices are different. Hint: Research each security$$s investment strategy. Cite the sources used for the research, if applicable.