Elvira gave land to her son, Juana. Elvira's basis in the land was $170,000, and its fair market value at the date of the gift was $280,000. Juana borrowed $200,000 from a bank that he used to improve the property. He sold the property to Ivette for $750,000. Ivette paid Juana $200,000 in cash, assumed his $150,000 mortgage, and agreed to pay $400,000 in three years. Juana's selling expenses were $20,000. Ivette is going to pay adequate interest.

a. Juana's basis in the land at the time of the sale is $.

b. When computing his realized gain, what amount does Juana use as the selling price and as the contract price? Selling price: $ Contract price: $

c. Juana's total realized gain on the sale is $, but his recognized gain in the year of the sale is $.