Please help me with these questions! thank you in advance!!

1. Which of the statements below is true?

a. The graphic plot of project NPV against discount rate is called the NPV profile

b. NPV profile isalwaysdownward sloping, i.e., NPV decreases with higher discount rate

c. At the intercept point of the NPV profile with the horizontal axis, the project IRR is zero.

d. All of the above

e. None of the above

2. Consider a project with an initial investment and positive future cash flows. As the discount rate is decreased the _______

a. IRR remains constant while NPV increases

b. IRR decreases while NPV remains constant

c. IRR remains constant while NPV decreases

d. IRR increases while the NPV remains constant

e. IRR decreases while NPV decreases

3. A firm is considering purchasing two assets. Asset A will have a useful life of 15 years and cost $3 million; it will have installation costs of $400,000 but no salvage or residual value. Asset B will have a useful life of 6 years and cost $1.26 million; it will have installation costs of $220,000 and no salvage value. Which asset will have a greater annual straight-line depreciation?

a. Asset A has $10,000 more in depreciation per year

b. Asset A has $20,000 more in depreciation per year

c. Asset B has $10,000 more in depreciation per year

d. Asset B has $20,000 more in depreciation per year

e. None of the above

4. For a project with conventional cash flows, if PI is greater than 1, then:

a. The IRR is equal to the firm's required rate of return.

b. The project will never pay back on a discounted payback basis.

c. The NPV is greater than zero.

d. All of the above.

e. None of the above.