a$)$ If you purchased a bond two years ago for $$860,$ collected $4$ coupon payments of $$45$ and sold it today for $$900,$ what was your holding period return? $(3$ marks$)$

b$)$ You purchased a stock for $$68\mathrm{.}10$ three years ago during which time it has paid you dividends totalling $$5\mathrm{.}15.$ If you sold it today for its market price of $$72\mathrm{.}75,$ what annualized rate of return would you realize? $(3$ marks$)$