Big Rock Brewery Inc. Recent annual reports for Big Rock Brewery Inc. contained the following data for the three most recent years (in thousands of Canadian dollars): Assume that all investing activities involved acquisition and disposal of property, plant, and equipment. Required: Compute the capital expenditures ratio for the three-year period in total. What portion of Big Rock Brewery's investing activities was financed from external sources or preexisting cash balances during the three-year period