Joe is a sales rep whose territory consists of the 6 cities in the mileage chart to the right Joe wants to visit customers at each of the cities, starting and ending his trip in his home city, city A. His travel costs (gas, insurance, etc.) average $1.0C per mile. Find the cheapest-link tour, and give the total cost for this tour. Find the cheapest-link tour. (Use a comma to separate vertices as needed.) The cost for this tour is $ (Type an integer or a decimal.)