Gather open, high, low, and closing prices for Valero Energy Corp (VLO) for the period from September 2014 to September 2015. Gather this data for daily and weekly quotes.

http://finance.yahoo.com provides this information; just put in the ticker symbol VLO and click the Historical Prices option. This data can be downloaded into a spreadsheet for easy manipulation. Be aware that the period specified starts with the newest figures first. If you want to read the data sequentially in time, the data must besorted by date.

a. Graph a line chart using an arithmetic scalefor VLO using the daily closing prices.

b. Graph a line chart using an arithmetic scalefor VLO using the weekly closing prices.

c. What type of information can you gather about VLO stock by looking at thesetwo graphs?

d. What differences do you noticein thetwo charts that you created?