5. twelve-year plan which Nerina deposits R1200 into an account paying 12% per annum compounded half-yearly. Six months later, she deposits R1 200 into the account. Six months after this, she deposits a further R1 200 into the account. She then continues to make half-yearly deposits of R1 200 into the account for a period of seven years from her first deposit of R1 200. Calculate the value of her savings at the end of the savings period. bis 15th birthday, he deposits​