need it in 10 min please

At the time of the initiating the contract, the price of a stock is $65. A trader sells 5 naked put option contracts on the stock with a strike price of $75 when the option price is $5. Today, the options expires today and the stock price is $70. What is the trader's net profit or loss? Gain of $1,500 Gain of $2,000 Loss of $500 Loss of $1,500 Loss of $2,000 Gain of $500