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Surf Company can sell all of the two surfboard models it produces, but it has only 468 direct labor hours available. The Glide model requires 2 direct labor hours per unit. The Ultra model requires 4 direct labor hours per unit. Contribution margin per unit is $268 for Glide and $436 for Ultra. (a) Compute the contribution margin per direct labor hour for each product (b) Determine the best sales mix and the resulting contribution margin. Complete this question by entering your answers in the tabs below. Required A Required B Compute the contribution margin per direct labor hour for each product. Glide Ultra Contribution margin per direct labor hour Required > Surf Company can sell all of the two surfboard models it produces, but it has only 468 direct labor hours available. The Glide model requires 2 direct labor hours per unit. The Ultra model requires 4 direct labor hours per unit. Contribution margin per unit is $268 for Glide and $436 for Ultra. (a) Compute the contribution margin per direct labor hour for each product (b) Determine the best sales mix and the resulting contribution margin. Complete this question by entering your answers in the tabs below. Required A Required B Determine the best sales mix and the resulting contribution margin Glide Ultra Number of units Contribution margin Perez Company is considering an investment of $28,551 that provides net cash flows of $9,400 annually for four years. (a) What is the internal rate of return of this investment? (PV of S1, FV of $1. PVA of S1, and FVA of S1) (Use appropriate factor(s) from the tables provided. Round your present value factor to 4 decimals.) (b) The hurdle rate is 10%. Should the company invest in this project on the basis of internal rate of return? Complete this question by entering your answers in the tabs below. Required A Required B The hurdle rate is 10%. Should the company invest in this project on the basis of internal rate of return Should the company invest in this project on the basis of internal rate of return?