Question 8 Not yet saved Marked out of 1.00 On 30 June 2013, lan borrowed money from his parents. He promised that he would repay the money on 30 June 2019, with interest at a nominal interest rate of 7% p.a., compounding half-yearly. The total amount that he was due to pay his parents at that time was exactly $15,000 but he started his studies at university so he couldn't afford to repay the loan. If interest continues to accrue, what amount must lan pay on 30 June 2024 to fully pay off the loan? P Flag question Select one: o a. $21,312.33 o o b. $21,038.28 c. $21,235.67 d. $21,158.98 O