Kamper Company sells two products Big Z and Little Z. Current direct material and direct labor costs are detailed below. Next year, the company wishes to use a plantwide overhead rate with direct labor hours as its allocation base. Next year's overhead is estimated to be $489,000. The direct labor and direct materials costs are estimated to be consistent with the current year. Direct labor costs $20 per hour and the company expects to manufacture 46,000 units of Big Z and 23,000 units of Little Z next year. Direct Material per Unit Direct Labor Dollars per Unit Big Z $ 20 $ 19 Little Z $ 26 $ 16 What are total estimated direct labor hours for this next year?