Bacteria and viruses are the two main causes of meningitis. The bacterium Neisseria meningitidis, also called meningococcus, causes meningococcal meningitis. In children and teens, meningococcus is the most common cause of bacterial meningitis. In adults, it is the second most common cause.
A 14-passenger matatu cost 70 shillings to ride; in a 15-hour day it could make six to seven round trips, taking in 6,000 to 7,000 shillings, about $100. Riding a 51-passenger matatu cost 40 shillings for a vehicle that moved more slowly; it only managed five to six round trips in a day.
The marginal cost curve is U-shaped. For the first 4 Stuffed Amigos, marginal cost declines from $5 to a low of $1.50. However, for the production beyond 6 Stuffed Amigos, marginal cost increases.The source of this U-shaped marginal cost curve rests with increasing and decreasing marginal returns.or the first 4 Stuffed Amigos, marginal cost declines from $5 to a low of $1.50. However, for the production beyond 6 Stuffed Amigos, marginal cost increases. The source of this U-shaped marginal cost curve rests with increasing and decreasing marginal returns.