SmartCorp sells 500 units, resulting in $75,000 of sales revenue, $32,000 of variable costs, and $20,000 of fixed costs. The number of units that must be sold to achieve $41,000 of operating income is: (Round intermediary calculations to two decimal places, and your final answer up to the nearest whole number.)

Bridge building company estimates that it will incur $1,200,000 in overhead costs for the year. additionally, the company estimates 50,000 direct labor hours will be spent building custom walking bridges for the year at a total direct labor cost of $600,000. what is the predetermined overhead rate for bridge building company if direct labor costs are to be used as an allocation base?