John Maylor Is a Self-Employed Plumber of John's John Service

Essay

John Maylor is a self-employed plumber of John's John Service, his sole proprietorship. In the current year, John's John Service had revenue of $120,000 and $40,000 of business expenses.
John also received $2,000 of interest income from corporate bonds.
What is John's adjusted gross income, assuming he had no other income or expenses? (ignore any deduction for self-employment tax.)