$.$ In a datacenter, operating $7$ days per week, $24$ hours per day at constant load, there are $100$ lights and $40$ rack server units. Each light fixture drawings $1$A$,$ and each rack server draws $10$A$.$ The system voltage is $120$V$.$ What is the power consumption per week in kilowatt$-$hours $($kWh$)(1$ volt$-$amp $=1$ watt$)?$