January 31, 2010 1.5 Since June 30, 2014 Smith has been making deposits of 100 pack into a bank account on the last day of each month. For all of 2014 and 2015 Smith's account earned nominal interest com pounded monthly at an annual rate of 9%. For the first 9 months of 2016 the account earned i(l2) = .105, and since then the ac count has been earning ;(12) = .12. Find the balance in the account on each of the following days: (1) January 1, 2015, (ii) January 1, 2016, and (iii) February 1, 2017 Find the amount of interest credited on February 28, 2017