Standard available capacity

Start Time: $06$:$00$:$00$

End Time: $15$:$00$:$00$

Capacity Utilization:$90$

Length of breaks: $01$:$00$:$00$

No$.$ Ind. Capacities:$2$

Operating time: $7\mathrm{.}20$

Capacity: $14\mathrm{.}40$

What is the daily capacity $($ available labor hours$)$ of this work center taking into consideration the centers start time, finish time, no of people and utilization?