On June 1, 2013, Skylark Enterprises (not a corporation) acquired a retail store building for $500,000 (with $100,000 being allocated to the land). The store building was 39-year real property, and the  straight-line cost recovery method was used. The property was sold on June 21, 2017, for $385,000. 

a. Compute the cost recovery and adjusted basis for the building using Exhibit 8.8 from Chapter 8.
b. What are the amount and nature of Skylark’s gain or loss from disposition of the building? What amount, if any, of the gain is unrecaptured § 1250 gain?