During the month, you received a salary of $3,000, charged a $40 meal to your credit card, paid back $500 of money owed to your parents, paid $30 in interest charges and prepaid $300 for a magazine subscription. During the month, your net worth: Select one: a. increased by $2,300 b. increased by $2,930 c. increased by $2,130 O d. increased by $3,000