Having trouble rounding need a little help

Landen Corporation uses job-order costing. At the beginning of the year, it made the following estimates: During the year, Job 550 was started and completed, The following information pertains to this job: Required: - 1. Assume Landen has historically used a plantwide predetermined overhead rate with direct labor-hours as the allocation base. Under this approach: a. Compute the plantwide predetermined overhead rate. b. Compute the total manufacturing cost of Job 550 . c. If Landen uses a markup percentage of 200% of its total manufacturing cost, what selling price would it establish for Job 550 ? 2. Assume Landen's controller betieves that machine-hours is a better allocation base than direct labor-hours. Under this approach: a. Compute the plantwide predetermined overhead rate. b. Compute the total manufacturing cost of Job 550 . c. If Landen uses a markup percentage of 200% of its total manufocturing cost, what selling price would it establish for Job 550 ? Note: Round your intermediate calculations to 2 decimal places, Round your Predetermined Overhead Rate answers to 2 decimal places and all other answers to the nearest whole dollar. \begin{tabular}{|l|l|l|} \hline 1. Direct labor-hours: & & \\ \hline 1a. Predetermined overhead rate & & per DLH \\ \hline 1b. Total manufacturing cost of Job 550 & & \\ \hline 1c. Selling price & & \\ \hline 2. Machine-hours: & & \\ \hline 2a. Predetermined overhead rate & & per MH \\ \hline 2b. Total manufacturing cost of Job 550 & & \\ \hline 2c. Selling price & & \\ \hline \end{tabular}