Use This Information to Answer the Following Questions -Refer to the Table Above

Use this information to answer the following questions.
The following time series,provided by the Federal Loan Home Mortgage Corporation,represents weekly 30-year fixed mortgage rates.
$$\begin{array} { l c } \text { Date } & \text { Mortgage Rate (\%) } \\ \text { October 14, 2005 } & 6.03 \\\text { October 21, 2005 } & 6.10 \\\text { October 28, 2005 } & 6.15 \\\text { November 4, 2005 } & 6.31 \\\text { November 11, 2005 } & 6.36 \\\text { November 18, 2005 } & 6.37 \\\text { November 25, 2005 } & 6.28 \\\text { December 2, 2005 } & 6.26 \\\text { December 9, 2005 } & 6.32 \\\text { December 16,2005 } & 6.30 \\\text { December 23, 2005 } & 6.26 \\\text { December 30,2005 } & 6.22 \\\text { January 6, 2006 } & 6.21 \\\text { January 13, 2005 } & 6.15\end{array}$$
-Refer to the table above.
a.What is the linear trend equation that best fits the data?
b.What is the forecast of the next weekly mortgage rate?
c.What is the MAPE for this method?