C-A-L Ranch's decision to expand into the Carson City market despite the city's unemployment rate of 11.8 percent in June points to the underlying health of the retail market in the state's capital.C-A-L Ranch invested more than $1 million to renovate and stock the former Safeway location at 2035 N. Carson Street in preparation for its early May opening, says Dill Bunker, vice president of operations for the Idaho Falls-based retailer. The store employs 28 with four managers.Several factors point to the underlying strength of the retail market in Carson City, including the opening of C-A-L Ranch, and the entrance …