9. National Production Company applies manufacturing overhead based on direct labor cost. Information concerning manufacturing overhead and labor for August follows: Overhead cost Direct labor hours Direct labor cost Estimated $174,000 5,800 $87,000 Actual $171,100 5,900 $89,975 How much is the predetermined overhead rate? A) $2.00 B) $1.90 C) $30.00 D) $1.93