Finance questions.

I have the answer for a, i just need the answers for, b, c and d please.

 

a. What is the opportunity cost of capital?

b. How is this rate used in discounted cash flow analysis? c. Is this rate a single number that is used in all situations?

 

d.Define financial risk. Why is risk analysis so important to capital investment decisions?
(this answer to question d should have approximately 75 words)

 

e. What is the goal of cash management?
 (this question must be around 75 words)

 

f. What is a receivable? Explain how receivables are built up over time? (this question must be around 75 words)