Jon works in the pediatric ward at the hospital, and as part of his duties, he must weigh newborns. The weights (in pounds)
of the last several newborns are summarized in the frequency table below.
Lower Class Limits
2.4
4.0
5.6
7.2
Upper Class Limits
3.9
5.5
7.1
8.7
Frequency
1
0
8
5
After recording each newborn's weight, he gives each mother a complimentary baby care package. For babies that weigh
less than 4.0 pounds, the hospital charges mothers an additional $400 for another special care package. For the newborn
babies in the table above, how much money does the hospital generate?