Irma works for a service that delivers groceries and pet supplies. She earns a base monthly salary of $1,900. In
addition, she gets a commission of 1.8% of the cost of
each grocery order, plus a fee of $11 for each delivery of
pet supplies.

A. How is calculating Irma's total annual earnings different
from calculating earnings based on salary and commission?

B. Last month Irma's deliveries consisted of $33,600 in
groceries, and she made 140 deliveries of pet supplies.
How much does Irma earn in total for the month?