Hawkins Products, Inc., has found that new products follow a learning curve. The first two units have been completed with the following results:
Units produced marginal labor time
1 80.00
2 68.00
How much time will be needed to complete the 3rd unit?
a. 74.00 hours
b. 57.80 hours
c. 56.00 hours
d. 54.40 hours