Ande A couple decides to save money for their child's first-year college tuition. The parents will deposit 20,000 after n months from today and another 40,000 after 2n months from today. All deposits earn interest at a nominal annual rate of 3.9%, compounded monthly Calculate the maximum integral value of n such that the parents will have accumulated at least 70,000 after 3n months from today. 0 26 o 29 32 O 35 40