1.) Richard Dulski's firm is about to bid on a new radar system. Although the product uses new technology, Dulski believes that a learning rate of 75% is appropriate. The first unit is expected to take 680 hours, and the contract is for 15 units. a) What is the total amount of hours to build the units = enter your response here hours (round your response to the nearest whole number). b) What is he average time to build each of the 15 units? 2.) Girish Shambu and William Reisel are teammates at a discount store; their new job is assembling bicycles for customers. Assembly of a bike has a learning rate of 80%. They forgot to time their effort on the first bike, but spent 6 hours on the second. They have 6 more bikes to do. Determine approximately how much time will be (was) required for: a) The 1st unit = hours (2 decimal places) b) The 8th unit c) all 8 units