A business sells smart watches. These watches cost the business R1149per unit and they have just ordered and received150 units. They usually sell these for R1999 per unit.

1. What is the marginal profit per unit ? R

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2. What is the percentage mark up on costper unit?

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% to the nearest percent.

3. If 5 watches were to be given given to influencers for marketing purposes for free, how much should each watch sell for in order to maintain the same revenue? R

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to the nearest cent.

4. After selling50 watches, the business decides to offer a special for Black Friday. They want to sell 40 watches at a 15% discount. What is the price going to be for the 40 watches? R

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5. What should the price of the remaining stock be in order to still have the same revenue? R

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