8-35 An oil company plans to purchase a piece of vacant land on the corner of two busy streets for $50,000. On properties of this type, the company installs busi- nesses of three different types. Each has an estimated useful life of 15 years. The salvage land for each is estimated to be the $50,000 land cost. Net Annual Income Plan Cost* Type of Business A $ 83,000 Conventional $26,500 gas station B 195,000 39,750 Add automatic carwash Add quick carwash C 115,000 31,200 * Improvements cost does not include $50,000 for the land. (a) Construct a choice table for interest rates from 0% to 100%. (b) If the oil company expects a 10% rate of return on its investments, which plan (if any) should be selected