Please answer questions 1, and 1a.

Stuart Green had adjusted gross income during the year of $200,000 and made contributions to qualified charities as follows: Basis FMV Cash $10,000 $10,000 Inventory 6,000 8,000 IBM stock 8,000 5,000 Green's charitable contribution deduction is OOOO A. $26,000 B. $21,000 C. $24,000 OD. $23,000 Mr. and Mrs. L are calendar-year, cash-basis taxpayers. They have their own business, which they operate as a sole proprietorship. In addition, they own several investments including a 4-year-old rental property in whose operations they do not materially participate. Mr. and Mrs. L are not involved in a real property trade or business for purposes of Sec. 469. In the current year, the rental property produced a net loss of $40,000 including interest expense of $90,000. In addition, Mr. and Mrs. L paid the following amounts of interest expense: Interest on home mortgage $ 4,500 Interest on business loan 35,500 Interest on loan to purchase 10,000 shares of ABC Corporation stock 45,000 $85,000 Mr. and Mrs. L had no dividend or interest income in the current year. If they file a joint return, what is the total amount deductible as investment interest on their 1040 for the current year? A. $0 B. $2,000 C. $9,000 OD. $37,500