A parcel of land is: offered for sale at $150,000, assessed for tax purposes at $95,000, recognized by its purchasers as being worth $140,000, and purchased for $137,000. The land should be recorded in the purchaser's books at:

a

$ 95,000.

b

$137,000.

c

$138,500.

d

$140,000.

e

$150,000.