I would say C, because it makes the most sense without the context of the story. If not that one, then D makes sense as well.
Answer:
To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price. The result is the total cost—this is what the customer pays.
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Solving Sales Tax
basically the contact hypothesis says that groups can learn to get along with each other if they all work together .
the contact hypothesis has been described as one of the best ways to improve relations among groups that are experiencing conflict.
