What are the answers to question D) E) F) ? and how to solve them, thank you!

Ivanhoe Company has gathered the following information: During the year, 3,500 units were produced, 10,400 hours were worked, and the actual manufacturing overhead was $22,400. Actual fixed overhead totalled $11,290. Ivanhoe applies overhead based on direct labour hours. (a) (d) Calculate the total, fixed, and variable predetermined overhead rates. (Round calculations and final answer to 2 decimal piaces, .g. 15.25.) Calculate thevariable overhead pricevariance. Variable overhead price variance e. Calculate the Variable overhead quantity variance: (b) Calculate the fixed manufacturing overhead volume variance. fued overead woume variane f. Calculate total manufacturing overhead variance: eTextbook and Media Attempts: 1 of 2 used (c) Calculate the fixed overhead spending variance