Find the Coordinates of the Other Endpoint of the Segment

Multiple Choice

Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint.
-The table lists how financial aid income cutoffs (in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the financial aid cutoff for 1985.

$\begin{array}{c|c}\text { Year } & \text { Income (in dollars) } \\\hline 1960 & 20,500 \\1970 & 26,000 \\1980 & 31,500 \\1990 & 37,000 \\2000 & 42,500\end{array}$

A) $\$ 20,500$
B) $\$ 34,250$
C) $\$ 17,750$
D) $\$ 53,500$