Two years ago, you bought 300 shares of kayleigh milk co. for $30 a

Two years ago, you bought 300 shares of Kayleigh Milk Co. for $30 a share with a margin of 60 percent. Currently, the Kayleigh stock is selling for $45 a share. Assuming no dividends and ignoring commissions, compute:
a. the annualized rate of return on this investment if you had paid cash, and
b. your rate of return with the margin purchase.