If the labor cost for a crew composed of three laborers is $$\frac{45}{M}H,$ what would be the daily cost rate of the same crew? $($hint: assume a standard $40$ hours per week work schedule$)$

$$\frac{720}{C}D$

$$\frac{1080}{C}D$

$$\frac{960}{C}D$

$$\frac{640}{C}D$