A company had credit sales of $45,000 and cash sales of $25,000 during the month of May. Also during May, the company paid wages of $22,000 and utilities of $8,000. It also received payments from customers on account totaling $5,800. What was the company's net income for the month?

Group of answer choices

$40,000

$28,000

$15,000

$48,000