Which of the following statements is correct in connection with the investigation of a business? a. regardless of whether the taxpayer is already engaged in the trade or business, the expenses must be capitalized and amortized. b. if the taxpayer is not already engaged in the trade or business, the expenses incurred are deductible if the project is abandoned. c. that business must be related to the taxpayer's present business for any expense ever to be deductible. d. expenses may be deducted immediately by a taxpayer engaged in a similar trade or business regardless of whether the business being investigated is acquired. e. none of these choices are correct.