Answer :
It is 12000 x (1.06)^12 + 50000 x (1.06)^6 = 95,072.31
start of 4th year to end of 6th year = 6 semi-annual periods where interest is compounded for the second deposit
It is 12000 x (1.06)^12 + 50000 x (1.06)^6 = 95,072.31
start of 4th year to end of 6th year = 6 semi-annual periods where interest is compounded for the second deposit