Gifford Western Wear makes blue jeans and cowboy shirts. It has seven manufacturing outlets in British Columbia and Alberta. It is seeking to diversify its business and lower its risk. It is examining three companiesa toy company, a boot company, and a highly exclusive jewellery store chain. Each of these companies can be bought at the same multiple of earnings. The following represents information about all the companies.

Company	Correlation with Gifford Western Wear		Sales ($ millions)	Average Earnings ($ millions)	Standard Deviation in Earnings ($ millions)
Gifford Western Wear		+1.0	$150	$10	$3
Toy Company		0.2	150	10	6
Boot Company		0.9	150	10	5
Jewellery Company		0.6	150	10	7

a. What would happen to Gifford Western Wears portfolio risk return if it bought Toy Company? Boot Company? or Jewellery Company? Pay particular attention to the first column of correlation data.