${?}^{on}$ Suppose Jon decides to purchase either a long$-$term Treasury bond or a share of stock from a company in the Dow Jones Industrial Average. Assume that either will behave similarly to the average security in its class, and ignore the effects of market conditions.

a$.$ Which security is more likely to lose most of its value in the next year after Jon purchases it$?$

the probabilities of major loss are the same

the bond

the stock

they are both guaranteed to increase in value

b$.$ Based on historical returns, which security is likely to grow more significantly in value after Jon purchases it$?$

the probabilities of substantial gain are the same

the bond

the stock

they are both guaranteed to increase in value

c$.$ Given the answers to the questions, what advice should be given to Jon if he does not expect to sell the security for at least $20$ years?