An employee is on a $40$-hour working week and earns $\$8$ per hour. For each unit made in less time than the target, she is paid a bonus equal to $30\%$ of the hourly rate for the time saved. The target production time is $30$ minutes per unit. In the previous week, she worked for $40$ hours and made $90$ units. What was her total pay for that week?
- A$\$320$
- B$\$332$
- C$\$360$
- D$\$416$