PLEASE HELP ASAP Select the correct answer.

Alexandra keeps a record of her fixed and total expenses each month. Last month, she spent a little more than usual on variable expenses.
fixed expenses: $1,832.76
total expenses: $4,295.82

Which equation represents Alexandria’s variable expenses for last month?

A. v = $4,295.82 − $1,832.76

B. v = $1,832.76 − $4,295.82

C. v = $1,832.76 + $4,295.82

D. v = $2,463.06 + $1,832.76

E. v = $4,295.82 − $2,463.06

The distinction between a normal and an inferior good is

cranium, inc., purchases term papers from an overseas supplier under a continuous review system. the average demand for a popular mode is 300 units a day with a standard deviation of 30 units a day. it costs $60 to process each order and there is a five−day lead−time. the holding cost for a paper is $0.25 per year and the company policy is to maintain a 98% service level. cranium operates 200 days per year.what is the reorder point r to satisfy a 98% cycleminus−service level? a. greater than 1,700 unitsb. greater than 1,600 units but less than or equal to 1,700 unitsc. greater than 1,500 units but less than or equal to 1,600 unitsd. less than or equal to 1,500 units

Laws corporation is considering the purchase of a machine costing $16,000. estimated cash savings from using the new machine are $4,120 per year. the machine will have no salvage value at the end of its useful life of six years and the required rate of return for laws corporation is 12%. the machine's internal rate of return is closest to (ignore income taxes) (a) 12% (b) 14% (c) 16% (d) 18%