bought for $180000 in 2002
sold it in 2014
180000*2.44\100
Not completely sure what graph you are looking for but here is what I got, (-2,-15/4) hope this helps!
Volume of a cylinder of radius r and heigth h is

Here h is 15 cm and r is 6 cm.
=(14+3i) - (-12-7i) + (6+2i)
=14 + 3i +12 + 7i + 6 + 2i
=32 + 12i