What functions does work serve in modern society?

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.)

Need today! will get brainliest for right answer! compare and contrast absolute advantage and comparative advantage.

Stosch company's balance sheet reported assets of $112,000, liabilities of $29,000 and common stock of $26,000 as of december 31, year 1. if retained earnings on the balance sheet as of december 31, year 2, amount to $74,000 and stosch paid a $28,000 dividend during year 2, then the amount of net income for year 2 was which of the following? a)$23,000 b) $35,000 c) $12,000 d)$42,000