Find the Sharpe Ratio of the FollowingTechPortfolio. Use stock data from tidyquant package, use thecontrafund.csv (provided below) toget thedata for therisk freerate.

Stocks: Facebook (META), Amazon (AMZN), Microsoft (MSFT), Google (GOOGL)

Weights: 30%, 20%, 10%, 40%

Date Range:1stJan 2017- 31stDecember 2017

Also, did this portfoliooutperformthemarket in the same year?

A	B	C	D
1	Date	ContraRet	Market Return

446	1/31/2017	0.043779	0.0198	0.0004
447	2/28/2017	0.03853	0.0361	0.0004
448	3/31/2017	0.015562	0.002	0.0003
449	4/30/2017	0.028232	0.0114	0.0005
450	5/31/2017	0.035947	0.0112	0.0006
451	6/30/2017	-0.00401	0.0084	0.0006
452	7/31/2017	0.035364	0.0194	0.0007
453	8/31/2017	0.016064	0.0025	0.0009
454	9/30/2017	0.008487	0.026	0.0009
455	10/31/2017	0.047277	0.0234	0.0009
456	11/30/2017	0.015914	0.032	0.0008
457	12/31/2017	0.002905	0.0115	0.0009