单项选择题

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	Last Week	This Week	Next Week
Pencils	10 cents	5 cents	15cents
Ball Pens	79 cents	50 cents	1.19 dollars
Exercise Books	89 cents	60 cents	1.25 dollars
Letter Paper (100 sheets)	2.99 dollars	2.00 dollars	2.99 dollars
All Textbooks		30% off
T-shirts	4.99 dollars	3.5 dollars	6.00 dollars
Jackets	22.50 dollars	18.00 dollars	25.00 dollars

How much were two jackets last week

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