Bonds can be valued based on following techniques:
- market discount rate
 
- spot rates & forward rates
 
- binomial interest rate trees
 
- matrix pricing
 
Preferred Stock Valuation = PV of future dividend payments
discounted at the rate of return of stock
Common Stock valuation methods are as follows:
- Dividend Discount Model
 
- Discounted Cash Flow Model
 
- Comparable Companies Analysis
 
Pros & cons of various forms of financing are as
follows:
Bonds
Pros
- Safer investments
 
- Less volatility
 
- Higher interest rate as compared to dividend payout
 
- Liquid investments
 
Cons
- Rising bond prices when markets fall
 
- credit risk
 
Preferred Stock
Pros
- Hybrid investment
 
- Pre-stated dividend
 
- Priority rights over common stock
 
Cons
- Since it's considered as equity, it has secondary rights after
creditors & debentureholders in case of
liquidation/insolvency
 
- Dividend Payments might be conditional
 
- Lack of voting rights
 
- No dividend growth
 
Common Stock
Pros
- Voting Rights
 
- Part owners based on shareholding
 
- No legal obligation to pay dividend
 
- No debt since funds raised as part of equity
 
Cons
- Risky investment
 
- No assured dividend payout
 
- Secondary rights post all creditors, debentureholders and
preferred stock holders are paid during liquidation/insolvency