On January 28, 2017 Keiko invests $12,000.00 in a savings account paying r⁽²⁾ = 5.650%. She target amount is $12,120.00 and she will withdraw all her money and close her account on the first day that it contains at least this much. The daycount convention is ACT/365. On what day does he close his account, and how much money does he receive if:

a) The Greedy Bank Method applies.

b) The Theoretical or Continuous Compound Interest Method applies.

c) The Simple or Linear Approximation Method applies.