Each sweat shop worker at a computer factory can put together 4 computers per hour on average with a standard deviation of 0.7 computers. 42 workers are randomly selected to work the next shift at the factory. Round all answers to 4 decimal places where possible and assume a normal distribution.

A sticker that says "Great Dedication" will be given to the groups of 42 workers who have the top 20% productivity. What is the least total number of computers produced by a group that receives a sticker?minutes (round to the nearest computer)