At a discount brokerage, a stock purchase or sale worth less than $10000 incurs a brokerage fee of 1% of the value of the transaction. A transaction worth more than $10000 incurs a fee of $100 plus 0.5% of the amount exceeding $10000. Note that for a fraction of a cent, the brokerage always charges the customer a full penny. You wish to buy 100 shares of a stock whose price D in dollars has the PMF below. What is the PMF of C, the cost of burying the stock (including the brokerage fee)?

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