X2 Issued Callable Bonds on January 1,2018 A)3 Years
B)4 Years

X2 issued callable bonds on January 1,2018.The bonds pay interest annually on December 31 each year.X2's accountant has projected the following amortization schedule from issuance until maturity: The X2 bonds have a life of:
$$\begin{array} { | c | r | r | r | r | } \hline \text { Date } & \begin{array} { r } \text { Cash } \\\text { Paid }\end{array} & \begin{array} { r } \text { Interest } \\\text { Expense }\end{array} & \begin{array} { r } \text { Decrease } \\\text { in Carrying } \\\text { Value }\end{array} & \begin{array} { r } \text { Carrying } \\\text { Value }\end{array} \\\hline 1 / 1 / 2018 & & & & \$ 104,212 \\\hline 12 / 31 / 2018 & \$ 7,000 & \$ 6,253 & \$ 747 & 103,465 \\\hline 12 / 31 / 2019 & 7,000 & 6,208 & 792 & 102,673 \\\hline 12 / 31 / 2020 & 7,000 & 6,160 & 840 & 101,833 \\\hline 12 / 31 / 2021 & 7,000 & 6,110 & 890 & 100,943 \\\hline 12 / 31 / 2022 & 7,000 & 6,057 & 943 & 100,000 \\\hline\end{array}$$

A) 3 years.
B) 4 years.
C) 5 years.