Question

Experience indicated that the firm to build 20 devices would use 400 hours to build the first device. According to the past experience, the time will be shortened with the increase of the number of machines to be built. In the bid, the company is assumed the learning rate to be 90% and the skilled labour cost to be $80 per hour. Find the followings. The company wants to have the time taken to produce the 20th units to be exactly 220 hours. What the learning rate (L) should be to meet the company’s wish? The Answer must be in detail.

Answer 1

Crisen, Time takan for first part (T,)= 400 hs let, learning learning rate : -curve formule Now, using learning-cu b In (r) / Ln(2) - :- Now time taken for nith unit Tha Toonb Tzo 2 220 ho To=T,. 20 zob b 220 = 400 . 20 zob 0.55 Î Î Î b 14/20) = In (0.59 ) b 0.199563 -0.199563 Substituting in 0 :- In(0) / (412) 0.8708 = 87.087 Learning rate should be 87.08). -0.138326 e - =>