A car dealer earns a 4% commission on all cars sold. Last month, he earned $7,200 in commission. He wants to earn $8,000 in commission this month. What increase in total sales does he need in order to reach his goal for this month?

When creating passwords for secure accounts, which of the following rules should you apply? a.use personal information that is easy to remember.use a variety of letters, numbers and characters.use a sequence or pattern of numbersd.use the same password for all accounts