You have three electricians. Electrician #1 works 20 hours and installs 30 lights. Electrician #2 works 30 hours and installs 35 lights. Electrician #3 works 40 hours and installs 40 lights. Which electrician is the most efficient in installing lights?

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.

The following pertains to smoke, inc.’s investment in debt securities: on december 31, year 3, smoke reclassified a security acquired during the year for $70,000. it had a $50,000 fair value when it was reclassified from trading to available-for-sale. an available-for-sale security costing $75,000, written down to $30,000 in year 2 because of an other-than-temporary impairment of fair value, had a $60,000 fair value on december 31, year 3. what is the net effect of the above items on smoke’s net income for the year ended december 31, year 3?

Gamegirl inc., has the following transactions during august. august 6 sold 76 handheld game devices for $230 each to ds unlimited on account, terms 2/10, net 60. the cost of the 76 game devices sold, was $210 each. august 10 ds unlimited returned six game devices purchased on 6th august since they were defective. august 14 received full amount due from ds unlimited. required: prepare the transactions for gamegirl, inc., assuming the company uses a perpetual inventory syste