bruce operated as a sole proprietor, reported on schedule c (form 1040). he used 350 square feet of his 2,100 square foot rented loft exclusively and regularly for business. blake used the cash accounting method and had the following income and expenses for this financial planning business gross receipts 36,960 expenses advertising 80 business insurance 685 business license 100 comprehensive health insurance (entire year) 7,788 office supplies 76 postage 38 rent (entire Year) 14,400 renter's insurance (entire year) 1055 second phone line exclusively for business 103 tax preparation (allocated to business) 350 Utilities (entire year) 2881 blake closed his business on April 1, 2018. If the Office -in-home simplified method is elected what is the amount of blakes OIH deduction 1,750 440 375