In january of year 0, justin paid $4,800 for an insurance policy that covers his business property for accidents and casualties. justin is a calendar-year taxpayer who uses the cash method of accounting. what amount of the insurance premium may justin deduct in year 0 in each of the following alternative scenarios? (leave no answers blank. enter zero if applicable.) b. the policy begins on february 1 of year 1 and extends through january 31 of year 2.