I need help answering the following problems:

Problem 1 -

The following information applies to Company A's material cost.

Actual Cost: 4,100 lbs. @ $5.07 per lb. = $20,787

Standard Cost: 4,000 lbs. @ $5.00 per lb. = $20,000

Direct materials Cost Variance: $787

Calculate the price and quantity variance.

Problem 2 -

Using the information in Problem 2, complete the journal entry to record the use of materials and any variances.

Problem 3 -

Company A is considering a potential investment. This investment requires a cash outflow of $25,000. The investment is expected to generate equal annual cash flows of $4,500. Calculate the payback period.

Problem 4 -

Company A is evaluating a potential investment. This investment requires a cash outflow of $18,000. The investment is expected to yield equal annual cash flows of $6,500 for 3 years. The Company requires a 10% rate of return. Calculate the net present value of the investment. Should the Company accept this investment opportunity.

Problem 5 -

Describe the four factors, which make capital budgeting decision to be so difficult and risky.