4) If the card's interest rate from problem 3 above is later changed as 3.5% per quarter, find the effective semiannual and annual rates. a) 7.12%, 17.5% b) 7.12%, 14.75% c) 7%, 17.5% d) 7%, 12.5% 5) Pablo wants to help children in need because he's an awesome guy. He will deposit $1000 now, $3000 4 years from now, and $1500 6 years from now. Earning at a rate of 11.7% per year, compounded semiannually, what amount can he donate to the children 10 years from now? a) $11.6K b) $13.4K c) $9.2K d) $21.1k 6) Given: i. A deposit of $1k every month for 5 years ii. 40.0% interest per year iii. Compounding period is per quarter Find: Amount in the account at the end of 5 years with no interperiod compounding a) $150K b) $172K c) $89K d) $222K