Sam has just got engaged and wants to pay for her celebration in 18 months from now. She has decided that she wants to start saving for the wedding today. She transferred $1,000 to her TFSA for the wedding and also established a directed debit of $300 to her TFSA at the end of each month. The TFSA pays interest monthly at 2.5%. a) How much money will she have saved for the wedding in 18 months from now? b) She decides to change her direct debit from the end of the month, to the start of each month. How much extra will she earn from this?