Vanessa contributed $20,000 of cash and land with a fair market value of $100,000 and an adjusted basis of $40,000 to Cook, Incorporated (an S corporation) when it was formed. The land was encumbered by a $30,000 mortgage executed two years before. What is Vanessa's tax basis in her Cook, Incorporated, stock after formation?

Group of answer choices

$20,000

$30,000

$60,000

$80,000

$120,000