Use the data for Starbucks (SBUX) and Google (GOOG)

Date	SBUX	Dividend	GOOG	Dividend
16-Nov-2017	$57.24	$0.00	$1048.47	$0.00
04-Feb-2018	$54.46	$0.30	$1055.41	$0.00
09-May-2018	$57.04	$0.30	$1089.00	$0.00
08-Aug-2018	$51.55	$0.36	$1261.33	$0.00
14-Nov-2018	$67.04	$0.36	$1054.58

to answer the following questions:

a. What is the return for SBUX over the period without including its dividends? With the dividends?

b. What is the return for GOOG over the period?

c. If you have

75%

of your portfolio in SBUX and

25%

in GOOG, what was the return on your portfolio excluding dividends?