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4. Answer briefly any 4 of the following questions. Write the formula if there is one and explain the symbols. (4 pts each) a) Define the Price to Book Value Ratio. How can it be used in stock valuation.? b) Explain briefly the Opportunity cost of capital. Which funds have opportunity cost of capital. c) What are the handicaps of the Internal Rate of Return (IRR) Criterion? d) Write the formula and briefly explain the cost of newly issued stocks according to the Dividend Discount Model. e) Write the formula for the yield of a stock and explain what it is comprised of. f) Define the Price Earnings Ratio and explain briefly how it is interpreted. Is it trustworthy? If not state the reasons. roun