4-6 pls

4. Hassell, Inc. is considering a capital investment (equipment) costing $185,000 with an eight-year useful life, and equal annual net cash flows. The equipment has an acceptable net present value $21,121, calculated at 9%. Calculate the approximate internal rate of return for this investment. 5. Daniels Co. invested in equipment 3 years ago. The company's acceptable rate of return is 12%, but the actual net present value of the investment was ($550) (negative). Annual net cash flows were: $10,000 for year 1; $8,000 for year 2; and $6,000 for year 3. Calculate the amount of the initial investment (original cost). 6. The standard number of hours that should have been worked to make 5,000 product units is 5,290 direct labor hours, and the actual number of direct labor hours worked was 5,330. The direct labor time variance was $920 unfavorable. The direct labor rate variance was $1,332.50 favorable. a) Calculate the actual direct labor rate per hour (round to $0.00). b) Calculate the standard direct labor rate per hour (round to $0.00)