I need some managerial accounting help from the Financial and Managerial Accounting for MBAs, 5E textbook Easton, Halsey, McAnally, Hartgraves, Morse.

I cant figure out chapter 18, exercise 18

Developing and Using a Predetermined Overhead Rate Assume that the following predictions were made for 2018 for one of the plants of Milliken & Company: Total manufacturing overhead for the year Total machine hours for the year s 20,000,000 1,600,000 Actual results for February 2018 were as follows: Manufacturing overhead $ 2,205,000 Machine hours 205,000 (a) Determine the 2018 predetermined overhead rate per machine hour. (Enter answer using two decimal places.) 0x (b) Using the predetermined overhead rate per machine hour, determine the manufacturing overhead applied to Work-in-Process during February. $ 0 (c) As of February 1, actual overhead was underapplied by $400,000. Determine the cumulative amount of any overapplied or underapplied overhead at the end of February. 02x