You purchase a security system for your business. the installation cost is $100,000 with an initial annual monitoring cost of $2,000. the monitoring cost is expected to increase by $500 each year thereafter until a major reinstallation, which will happen after 10 years.

suppose, due to favorable weather, the crop in 2012 is 330 tons. in percentage terms, how much bigger is the 2012 crop over the 2007-2011 average?

Last year ann arbor corp had $155,000 of assets, $305,000 of sales, $20,000 of net income, and a debt-to-total-assets ratio of 37.5%. the new cfo believes a new computer program will enable it to reduce costs and thus raise net income to $33,000. assets, sales, and the debt ratio would not be affected. by how much would the cost reduction improve the roe? a. 11.51%b. 12.11%c. 12.75%d. 13.42%e. 14.09%

You are in the market for a new refrigerator for your company’s lounge, and you have narrowed the search down to two models. the energy efficient model sells for $700 and will save you $45 at the end of each of the next five years in electricity costs. the standard model has features similar to the energy efficient model but provides no future saving in electricity costs. it is priced at only $500. assuming your opportunity cost of funds is 6 percent, which refrigerator should you purchase