please use the formula methods written out. not the excel spreadsheets.. thanks

8-35 An oil company plans to purchase a piece of vacant land on the corner of two busy streets for $70,000 On properties of this type, the company installs busi- nesses of three different types. Each has an estimated estimated to be the $70,000 land cost. Net Annual Income $23,300 Plan Cost* Type of Business A 75,000 Conventional gas station carwash carwash B 230,000 Add automatic 44,300 C 130,000 Add quick 27,500 * Improvements cost does not include $70,000 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