On january 1, father (dave) loaned daughter (debra) $100,000 to purchase a new car and to pay off college loans. there were no other loans outstanding between dave and debra. the relevant federal rate on interest was 6 percent. the loan was outstanding for the entire year. a. if debra has $15,000 of investment income, dave must recognize $6,090 of imputed interest income. b. dave must recognize $6,090 of imputed interest income regardless of the amount of debra's investment income. c. debra must recognize $6,090 of imputed interest income. d. debra must recognize $6,090 of imputed interest income if dave has at least $6,090 of investment income. e. none of these.