Ridgewood Company had the following ending balances on its financial statements: 2018 2019 2020 Prepaid insurance $1,400 $ 900 $1,100 Insurance expense $12,500 $12,800 $12,600 How much did Ridgewood pay for insurance during 2019

Acoase solution to a problem of externality ensures that a socially efficient outcome is to

Six years ago, an 80-kw diesel electric set cost $160,000. the cost index for this class of equipment six years ago was 187 and is now 194. the cost-capacity factor is 0.6. the plant engineering staff is considering a 120-kw unit of the same general design to power a small isolated plant. assume we want to add a precompressor, which (when isolated and estimated separately) currently costs $13291. determine the total cost of the 120-kw unit. (hint: skip $ and comma symbols)

Suppose that with a budget of $110, deborah spends $66 on sushi and $44 on bagels when sushi costs $2 per piece and bagels cost $2 per bagel. but then, the price of bagels falls to $1 per bagel.