Date	Cola Co.	Gas Co.
Jan	0.20%	0.30%
Feb	7.20%	3.90%
Mar	6.26%	3.70%
Apr	7.10%	4.90%
May	1.60%	5.70%
June	4.90%	4.60%
July	3.00%	0.70%
Aug	2.70%	6.40%
Sep	0.00%	0.90%
Oct	10.50%	10.20%
Nov	4.90%	6.70%
Dec	4.20%	1.50%

The volatility (standard deviation) of the portfolio is %

The following table contains monthly returns for Cola Co. and Gas Co. for 2022: Using this table and the facts that Cola Co. has a standard deviation of return of 5.48%, Gas Co. has a standard deviation of return of 5.00%, and they have a correlation of 0.2749 , calculate the volatility (standard deviation) of a portfolio that is 75% invested in Cola Co. stock and 25% invested in Gas Co. stock. a. Calculate the volatility using the formula: Var(Rp)=wCola2SD(RCola)2+wGas2SD(RGas)+2wColawGasCorr(RCola,RGas)SD(RCola)SD(RGas) b. Calculating the monthly returns of the portfolio and computing its volatility directly. c. How do your results compare