500
Cite 4 advantages and 4 disadvantages of single sourcing.
Advantages:
cost per unit decreases as supplier spreads fixed costs over larger volume, transportation economics, reduces quality variability, builds stronger relationships with suppliers, required when supplier has a proprietary product, required when volume is too small to split between 2 suppliers.
Disadvantages:
suppliers can increase pirce in the SR, increased supply risk, buyers can become captive to a supplier's technology, do not know if they have the 'best' supplier available, dangerous strategy if the supplier has limited capacity