It works as if the first deposit of 2000 accumulates money through compounding during 1 + 12*5 = 61 months from Dec.1 2014 to Jan,1 2020; the second deposit of 2000 accumulates money through compounding during 6 + 12*3 = 42 months from Dec.1 2014 to Jan,1 2020; the third deposit of of 2000 accumulates money through compounding during 1 + 12 = 13 months from Dec.1 2018 to Jan,1 2020. So, the formula is Final value =+ + = 6616.16 monetary units. ANSWER