You are to perform a federal tax research/preparation assignment. Specifically, I would like you to use various resources, such as your text book, notes, and attached forms, in solving the following tax problem: John R. Lane (SSN 123-44-6666) lives at 1010 Ipsen Street, Yorba Linda, California 90102. John, a single taxpayer, age 68, has no dependents. John is a self-employed accountant who sees and consults his clients exclusively at his home office. Other relevant information for 2021 includes: Earnings from his consulting business: Personal Expenses (from Schedule A (see below*)) Other expenses (from Schedule C (see below **)) Gain or Loss on sale of a house (see below ***) Tax Withholdings (prepayments) *Personal expenses: - Doctor visits for physical and dental exams Prescription drugs Vitamins Medical insurance premium payments Cosmetic surgery to improve appearance State and local income taxes $94,000 ** *** $6,000 $ 4,500 $2,770 $ 830 $10,500 $ 6,650 - - State property taxes Legal fees to prepare a will Accounting fees for Form A analysis Interest on mortgage used to purchase qualified residence; the mortgage amount is $350,000) ** Other expenses: $ 8,000 $ 4,500 $ 2,500 $ 1,300 $12,250 - Legal fees for business conflict resolution - Political contributions to local organization Home office expenses (John is using one of his rooms for home office where he exclusively is meeting with clients and conducts relating administrative and managerial tasks) $10,000 $ 3,000 $12,000