please help

1. The 90 day bank bill rate is quoted as 5.1 in the financial press. What is the correct cost of capital k_bbto be used in the WACC calculation. Express as a number accurate to four places (to the nearest basis point).Do not enter the % sign (eg 5.5671% should be entered as .0557).
2. Calculate the cost of preference capital (k_p) for a non-redeemable preference share which has the following: Price = $17 and a Preference dividend of $1paid every six months. Your answer should the effective annual cost as adecimal accurate tofour decimal places.For example an answer of 12.113% should be entered as .1211 with no % sign.
3. XYZ Corporation has just paid a dividend of58 cents per share.The current market price of the share is $16 and shareholders require a return of 10 % pa.What is the annual growth rate (g) of the dividends?Answer as a percentage accurate to two decimal places.Do not enter the % sign.