A) You have an order for 30 units fo a sofa. The 1st sofa took 23 hours to assemble. The material cost was 216 dollars. Your average labor cost is $15 / hour. If the learning curve coefficient is 80%, what will be the cost of the 1st sofa?
B) If the 1st unit took 8 hours and the 4th unit took 4 hours, then what is the learning curve?