Which exampWhich example defines an economic activity?le defines an economic activity?

Employees who are paid to complete a task, such as build a house, are paid on a(n) basis

At the end of the week, carla receives her paycheck and goes directly to the bank after work to make a deposit into her savings account. the bank keeps the required reserve and then loans out the remaining balance to a qualified borrower named malik as a portion of his small business loan. malik uses the loan to buy a tractor for his construction business and makes small monthly payments to the bank to payback the principal balance plus interest on the loan. the bank profits from a portion of the interest payment received and also passes some of the interest back to carla in the form of an interest payment to her savings account. in this example, the bank is acting

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)