Frank dewey esquire from the firm of dewey, cheatum, and howe, has been offered an upfront retainer of $30,000 to provide legal services over the next 12 months to taggart transcontinental . in return for this upfront payment, taggart transcontinental would have access to 8 hours of legal services from frank for each of the next 12 months. frank's normal billable rate is $250 per hour for legal services. a) assuming that dewey's cost of capital is 12% ear, what is the npv of his retainer offer? b) assuming that dewey's cost of capital is 12% ear, what is the irr(s) for this problem?