29. A bank has three assets. Il has $75 million nvested in consumer loans with a three-year duration, $39 million invested in T-bonds with a 16- year duration, and $39 millin in sik-month maturity T-bills What is the duration of the banks asset portfolio in yedrs? A 3.95 years B. 483 years .6.50 years D. 7.38 years E. 11.51 years t(975/132) x 3]+1(39/132) x 16) [(18/132) x0.5) 650