Solve Example 13.4-1, assuming that the unit production and holding costs are as given in the following table:

Period i Regular time unit cost ($)

Overtime unit cost ($)

Unit holding cost ($)

to period i + 1 1 5.00 7.50 .10 2 3.00 4.50 .15 3 4.00 6.00 .12 4 1.00 1.50 .20