Razzle Dazzle Inc. was asked to produce 6 prototype disco lighting systems for a new Thats 70s theme restaurant chain. The time to produce each of the systems is shown in the following table.

System	Time (Minutes)
1	3,600
2	3,375
3	3,100
4	3,000
5	2,800
6	2,650

1. Estimate the learning coefficient.
2. Based on initial customer reaction, RDs customer expects the T70s chain to go national requiring a total of 400 systems to be delivered. How much time would you expect the 400^th unit to take to produce?
3. Sales wants a time estimate for a quote for the remaining 394 units. What is the total time for these units and what is the average time for the next 394 units?