Acme Widgets had an order to process 250 widgets. The first unit required 200 minutes to assemble. Before starting, the company estimated the amount of time it would require to assemble all 250 widgets if they learned at an 85% rate. After assembling all 250 widgets, Acme realized they had learned at an 80% rate. How much time less than their estimate did Acme take? You should be able to compute the answer within plus or minus 2 hours.
Group of answer choices
a.296.1 hours
b.126.6 hours
c.140.3 hours
d.91.2 hours
e.155.8 hours