Table 2 presents a sample set of data for a 12 month
period; to simplify computations we have let it = 1 for
all t; Table 3 contains the specific calculations.
To illustrate, the optimal plan for period 1 alone is
to order (entailing an ordering cost of 85), Table 3.
Two possibilities must be evaluated for period 2:
order in period 2, and use the best policy for period 1
considered alone (at a cost of 102 + 85 = 187); or order
in period 1 for both periods, and carry inventory into
period 2 (at a cost of 85+29 = 114). The better policy is
the latter one. In period 3 there are three alternatives:
order in period 3, and use the best policy for periods
1 and 2 considered alone (at a cost of 102 + 114 = 216);ทความวิจัย