please show full work for these three question

Suppose we have a bond issue currently outstanding that has 20 years left to maturity. The coupon rate is 8%, and coupons are paid semiannually. The bond is currently selling for $828 per $1,000 bond What is the cost of debe? 5 6.6 2.7 d. 8 e 9 f. 10 g. 11 h. 12 1.14 1.16 % 8 a Consider the following Standard Deviation Expected return information: Security X 259 13% Secunty 115 15% According to the portfolio theory, which stock is more desirable a X Security b. y Security 0.16 por You are reviewing a new project and have estimated the following cash flows: Year: CF --165,000, Year 1: CF=63,120, Year 2 670,800 Year return for assets of this risk level is 12.194%.Please calculate the NPV of the project. a. $10,000 b.$12,000 C. $15.000 d. 520000 e. 30,000 $40,000 g. 550,000 CF 91.08 06 o 8 h 1584