Monica, who is self-employed, travels from her office in boston to lisbon, portugal, on business. her absence of 13 days was spent as follows: thursday depart for and arrive in lisbon friday business transacted saturday and sunday vacationing monday through friday business transacted saturday and sunday vacationing monday business transacted tuesday depart lisbon and return to office in boston a. for tax purposes, monica has spent days on business. b. what difference does it make? if monica's trip satisfies the test or the % test, then her transportation costs be allocated between business and personal. c. could monica have spent more time than she did vacationing on the trip without loss of existing tax benefits? monica satisfy the test. under the test, she could have vacationed for more days assuming that the days did not interfere with the preceding and succeeding days provision.

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† your mansion has 150 light fittings and 3000 sq ft of uninsulated exterior wall. to impress your friends, you would like to spend as much as possible, but save no more than $750 per year in energy costs (you are proud of your large utility bills). how many compact fluorescent light bulbs and how many square feet of insulation should you purchase? how much will you save in energy costs per year? (if an answer does not exist, enter dne.)

Suppose that xtel currently is selling at $40 per share. you buy 500 shares using $15,000 of your own money, borrowing the remainder of the purchase price from your broker. the rate on the margin loan is 8%. a. what is the percentage increase in the net worth of your brokerage account if the price of xtel immediately changes to (a) $44; (b) $40; (c) $36? (leave no cells blank - be certain to enter "0" wherever required. negative values should be indicated by a minus sign. round your answers to 2 decimal places.) b. if the maintenance margin is 25%, how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.) c. how would your answer to requirement 2 would change if you had financed the initial purchase with only $10,000 of your own money? (round your answer to 2 decimal places.) d. what is the rate of return on your margined position (assuming again that you invest $15,000 of your own money) if xtel is selling after one year at (a) $44; (b) $40; (c) $36? (negative values should be indicated by a minus sign. round your answers to 2 decimal places.) e. continue to assume that a year has passed. how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.)

Which of the following best explains why buying a house is more beneficial than renting? a. buying is a personal investment while renting involves giving money to the landlord. b. the monthly payments on a mortgage are generally lower than rent on an apartment. c. it's easier to sell a house than it is to get a landlord to break a rental agreement. d. housing prices can go up and down quickly in comparison to the level of rents.