4. In December 2021, Creed paid $58,764 for an insurance policy that covers his business property for accidents and casualties. Creed is a calendar-year taxpayer who uses the cash method of accounting. What amount of the insurance premium may Creed deduct in 2021 in each of the following alternative scenarios?

a. The policy covers the business property from March 1, 2022 February 28, 2023.

b. The policy covers the business property from October 1, 2021 September 30, 2023.

c. The policy covers the business property from November 1, 2021 October 31, 2022.

d. Assume that instead of paying an insurance premium, Creed paid $58,764 in rent for November 1, 2021 May 31, 2022.