Callahancallahan pools manufactures swimming pool equipment. callahancallahan estimates total manufacturing overhead costs next year to be $ 1 comma 500 comma 000.$1,500,000. callahancallahan also estimates it will use 30 comma 00030,000 direct labor hours and incur $ 1 comma 250 comma 000$1,250,000 of direct labor cost next year. in addition, the machines are expected to be run for 50 comma 00050,000 hours. compute the predetermined manufacturing overhead rate for next year under the following independent situations: 1. assume that the company uses direct labor hours as its manufacturing overhead allocation base. 2. assume that the company uses direct labor cost as its manufacturing overhead allocation base. 3. assume that the company uses machine hours as its manufacturing overhead allocation base. 1. compute the predetermined manufacturing overhead rate for next year assuming that the company uses direct labor hours as its manufacturing overhead allocation base. identify the formula and compute the predetermined manufacturing overhead rate for next year using direct labor hours as the manufacturing overhead allocation base.