Devon Bishop, age 45, is single. He lives at 1507 Rose Lane, Albuquerque, NM 87131. His Social Security number is 111-11-1111. Devon does not want $3 to go to the Presidential Election Campaign Fund. Devon's wife, Ariane, passed away in 2011. Devon's son, Tom, who is age 16, resides with Devon. Tom's Social Security number is 123-45-6788.

Devon owns a sole proprietorship for which he uses the accrual method of accounting and maintains no inventory. His revenues and expenses for 2015 are as follows:

Sales revenue $740,000
Cost of goods sold (based on purchases for the year) 405,000
Salary expense 88,000
Rent expense 30,000
Utilities 8,000
Telephone 6,500
Advertising 4,000
Bad debts 5,000
Depreciation 21,000
Health insurance* 26,000
Accounting and legal fees 7,000
Supplies 1,000

* $18,000 for employees and $8,000 for Devon.
Other income received by Devon includes the following:
Dividend income (qualified dividends):
Swan, Inc. $10,000
Wren, Inc. 2,000
Interest income:
First Bank 11,000
Second Bank 2,500
City of Asheville bonds 17,000

During the year, Devon and his sole proprietorship had the following property transactions:

a. Sold Blue, Inc. stock for $45,000 on March 12, 2015. He had purchased the stock on September 5, 2012, for $50,000.

b. Received an inheritance of $300,000 from his uncle, Henry. Devon used $200,000 to purchase Green, Inc. stock on May 15, 2015, and invested $100,000 in Gold, Inc. stock on May 30, 2015.

c. Received Orange, Inc. stock worth $9,500 as a gift from his aunt, Jane, on June 17, 20145 Her adjusted basis for the stock was $5,000. No gift taxes were paid on the transfer. Jane had purchased the stock on April 1, 2008. Devon sold the stock on July 1, 2015, for $22,000.

d. On July 15, 2015, Devon sold one-half of the Green, Inc. stock for $40,000.

e. Devon was notified on August 1, 2015, that Yellow, Inc. stock he purchased from a colleague on September 1, 2014, for $52,500 had become worthless. While he perceived that the investment was risky, he did not anticipate that the corporation would declare bankruptcy.

f. On August 15, 2015, Devon received a parcel of land in Phoenix worth $220,000 in exchange for a parcel of land he owned in Tucson. Because the Tucson parcel was worth $245,000, he also received $25,000 cash. Devon's adjusted basis for the Tucson parcel was $210,000. He originally purchased it on September 18, 20112

g. On December 1, 2015, Devon sold the condominium in which he had been living for the past 20 years. The sales price was $480,000, selling expenses were $28,500, and repair expenses related to the sale were $9,400. Devon purchased the condominium for $180,00

Devon's potential itemized deductions, exclusive of the aforementioned information, are as follows:
Medical expenses (before the 10% floor) $ 9,500
Property taxes on residence 5,800
State income taxes 4,000
Charitable contributions 10,000
Mortgage interest on residence 9,900
Sales taxes paid 5,000

During the year, Devon makes estimated Federal income tax payments of $40,000. Compute Devon's lowest net tax payable or refund due for 2015 assuming that he makes any available elections that will reduce the tax. If you use tax forms for your computations, you will need Forms 1040, and 8824 and Schedules A, B, C, D, and SE.