A company is planning to purchase office supplies. They need 150 notepads, 200 pens, and 50 staplers. The notepads cost $2.50 each, the pens cost $0.75 each, and the staplers cost $5.00 each. The company receives a 10% discount on the total cost if they buy more than $500 worth of supplies. How much will the company save with the discount, and what will be the final cost after applying the discount? Let's think step by step and output the final answer within \boxed{}.
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