suppose winston's annual salary as an accountant is $60,000 and his financial assets generate $4,000 per year in interest. one day, after deciding to be his own boss, he quits his job and uses his financial assets to establish a consulting business, which he runs out of his home. he outlays $8,000 in cash to cover all the costs involved with running the business and earns revenues of $150,000. what is winston's accounting profit?