Table 1

Proposed Tariffs for ISDN Callpacks
BA Maryland Staff Utah PSC
Usage Allowance
50 $30
60$45 $41
100 $40
140$60 $53
200 $54
300$90 $75
Flat Rate 1444.8 $249 $239$64



Table 2

Average Hourly Cost of Callpack Allowance
BA Maryland Staff Utah PSC
Usage Allowance
50 $0.60
60 $0.75 $0.68
100 $0.40
140 $0.43 $0.38
200 $0.27
300 $0.30 $0.25
Flat Rate (1444.8) $0.17 $0.17 $0.04


Table 3

Incremental Hourly Cost of Callpack Allowance
BA Maryland Staff Utah PSC
Usage Allowance
50 $0.60
60 $0.75 $0.68
100 $0.20
140 $0.19 $0.15
200 $0.14
300 $0.19 $0.14
Flat Rate (1444.8) $0.14 $0.14 $0.01


Table 4

Hourly Cost of Callpack Allowance Usage 50 percent of Callpack
BA Maryland Staff Utah PSC
Usage Allowance
50 $1.20
60 $1.50 $1.37
100 $0.80
140 $0.86 $0.76
200 $0.54
300 $0.60 $0.50
Flat Rate (1444.8) $.34 $0.33 $0.09