11} Bob needs to have STZCK} in 6 years to purchase a new sound system for the home theatre he is building in his new home. How much does he need to Invest today in a plan that pays 2.35%, compounded quarterly, to reach his goal? [2 Marks] 12} Elliot has won the prestigious Swell Oil Scholarship of 530% per year for tour years to attend the Tar Sands University in Gusher, Alberta. How much money must Swell Dil invest now to provide the four payments starting one year from now, if the money is invested at 6.6% per annum, compounded semi-monthly? [2 Marks] 13} Eli buys a new sofa priced at $800. The salesperson says he can pay 3300 now or nance the $300, compounded weekly {or one year and pay $950 when the year is over. What is the annual interest rate that Eli would be paying it he chooses to nance the sofa? [:1 Marks]