Dinklemyer Corporation uses direct labor hours as its single cost driver. Actual overhead costs and actual direct labor hours for the first five months of the current year are as follows: Month Actual Total Overhead Actual Direct Labor Hours January $ 980,000 19,200 February 950,000 18,400 March 860,000 17,000 April 752,500 12,700 May 760,000 13,200 a. Compute the company's estimated variable manufacturing overhead cost per direct labor hour. (Omit the "$" sign in your response.) Variable manufacturing overhead cost $ per DLH b. Estimate the company's total monthly fixed manufacturing overhead cost. (Omit the "$" sign in your response.) Fixed manufacturing overhead cost $ c. Estimate the company's total manufacturing overhead for June through August if 50,000 total direct labor hours are budgeted for that specific three-month period. (Omit the "$" sign in your response.) Total manufacturing overhead $