Amining company plans to improve the infrastructure in a location to start mining activities. the company calculated the costs and earnings listed below to find out if mining would be economically feasible in the location. a: cost of land for mining b: cost of equipment c: cost of labor d: miscellaneous costs related to mining e: cost of reclamation f: earnings from selling the resulting mineral how can the mining company best decide whether mining activities in the location would be economically feasible? select one: a. by confirming that f is greater than a + b + c + d + e b. by confirming that d is greater than a + b + c + e + f c. by confirming that b is lesser than a + c + d + e + f d. by confirming that c is lesser than a + b + d + e + f