Decision making in an engineering economic analysis is most commonly concerned with choosing the best Alternative with the longest life. Alternative with the shortest time to implement Alternative with the smallest cost. Alternative that is the most profitable. QUESTION 4 Bethlehem Homes Inc (BHD has won a contract to build the homes for the first phase of a new subdivision. The plan is to build 25 homes, with a 91% learning curve the number of labor hours needed per home. If the first home takes 3700 hours to construct, estimate the time to build all 25 houses. Select the closest value. 69,472 hours 78,074 hours 67,897 hours 64,197 hours