Give the step-by-step reasoning process and then the final answer. Janet pays $40/hour for 3 hours per week of clarinet lessons and $28/hour for 5 hours a week of piano lessons. How much more does she spend on piano lessons than clarinet lessons in a year?
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First find the total Janet spends on clarinet lessons per week: $40 / hour * 3 hours / week = $120 / week. Then find the total Janet spends on piano lessons per week: $28 / hour * 5 hours / week = $140 / week. Then subtract her weekly clarinet spending from her weekly piano spending to find the weekly difference: $140 / week - $120 / week = $20 / week. Then multiply the weekly difference by the number of weeks in a year to find the annual difference: $20 / week * 52 weeks / year = $1040 / year.
The final answer: 1040.
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