Please show all work and steps involved

Mr. Z, a calendar year taxpayer, opened a new car wash. Prior to the car wash's grand opening on October 8, Mr. Z incurred various start-up expenditures (rent, utilities, employee salaries, supplies, and so on). In each of the following cases, compute Mr. Z's first-year deduction with respect to these expenditures. (Do not round intermediate calculations. Round your final answers to the nearest whole dollar amount.) a. The start-up expenditures totaled $4,940. b. The start-up expenditures totaled $34,160. c. The start-up expenditures totaled $52,740. d. The start-up expenditures totaled $95,220. a. $ 4,940 Deduction Deduction Deduction Deduction d