When the LA Galaxy played soccer in a stadium that seated 80,000-90,000 fans, many of the available tickets to each game went unsold and the stadium looked empty. With the larger stadium, the Galaxy had an issue with idle production capacity, an example of which of the 4 I's of services?
a) Inseparability
b) Inconsistency
c) Intangibility
d) Inventory
e) Irrationality