Tamara earns $8 an hour at her job working 25 hours per week. If 22% of her paycheck goes to taxes, what is Tamara’s monthly cash inflow? (Assume this is her only source of income and that there are 4 pays per month.)

Tamara earns $8 × 25 = $200 per week before taxes. After 22% goes to taxes, she keeps 78%: $200 × 0.78 = $156 per paycheck. With 4 paychecks per month, her monthly cash inflow is $156 × 4 = $624, which is choice B.

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