Adjusting entries for prepaid insurance

The balance in the prepaid insurance account, before adjustment at the end of the year, is $$22,500.$ Journalize the adjusting entry required under each of the following alternatives for determining the amount of the adjustment:

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a$.$ The amount of insurance expired during the year is $$18,000.$ If an amount box does not require an entry, leave it blank.

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b$.$ The amount of unexpired insurance applicable to future periods is $$4,500.$ If an amount box does not require an entry, leave it blank.

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