The Blue Nile Law Firm prepays for advertising in the local newspaper. On January $1,$ the law firm paid $$8,400$ for twelve months of advertising.

How much advertising expense should Blue Nile Law Firm record for the two months ending February $28$ under the

a$.$ cash basis?

b$.$ accrual basis?

a$.$ Under the cash basis, for the two months ending February $28,$ the law firm should record advertising expense of