Thomas, a resident of California, purchased his first home in that state. Unfortunately, he was laid off six months later and defaulted on his primary mortgage. The lender issued a Form 1099-A after the foreclosure. The realized gain on his property will be:

a. The fair market value of the house

b. The unpaid loan balance of the mortgage

c. All lender fees and title search fees

d. The amount declared in a deficiency judgement