The tax laws allow taxpayers to use which of the following methods for accounting for research and experimentation costs paid or incurred in connection with a trade or business? Deduct the expenditures in the year in which they are paid or incurred. Capitalize the expenditures and amortize them ratably over a period of at least 60 months beginning in the month that the benefits are first realized. Capitalize the expenditures, but do not amortize them. All of the above. Either b. or c.
