Raul and Juanita Martinez are married with one child.  He works as a sale representative and is paide soley on...

Raul and Juanita Martinez are married with one child.  He works as a sale representative and is paide soley on comissions.  He get 6% for the first 20,000 he sales each month; 8% on the next 10,000 and 12% on all sales over 30,000 during the month.  He worked 12 months of the year and averages 30,770 in sales each month.

1. Find his gross monthly pay

2. Find his goss annual pay