Pls guys i need help with these questions i will give BRAINLIST and thank you :)

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%

How much of your paycheck do you have immediate access to once you deposit it into your bank account a. all of it b. a portion of it c. none of it

2. a computer equipment was acquired at the beginning of the year at a cost of $56,000 with an estimated residual value of $5,000, and an estimated useful life of five years. determine the second year’s depreciation expense using the straight-line method.