Problem 6-19 (Algo) The following tasks are to be performed on an assembly line: TASK SECONDS TASKS THAT MUST PRECEDE A D CAUANTOR 28 14 20 B D 19 B 15. 12 D 25 10 The workday is 8 hours long. Demand for completed product is 800 per day. a. Find the cycle time required to meet the desired output rate. (Round your answer to 1 decimal place.) Cycle time seconds per unit b. What is the theoretical number of workstations required to meet the desired output rate? (Round up your answer to the next whole number.)