Final answer:
The physical therapist's gross pay for the week is $874.80.
Step-by-step explanation:
To calculate the physical therapist's gross pay for the week, we need to calculate the total earnings for regular time and overtime. The base hourly wage is $16.20.
Regular time hours: 40 hrs x $16.20 = $648
Overtime hours: 7 hrs x 2 x $16.20 = $226.80
Gross pay = Regular time earnings + Overtime earnings = $648 + $226.80 = $874.80
Therefore, the physical therapist's gross pay for the week is $874.80. Option C is correct.