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How should i estimate the pain and suffering settlement i will recieve from an insurance company? - pain and suffering insurance settlements

Participating in a car accident in December. The car overturned and was declared a total loss. My only injuries were sprain injuries, hand, ankle and leg pain and stiffness. I have to work from work for 24 hours consecutively. Now, I was offered $ 1500, $ 500, which my deductible and the rest for me. I'm curious to know how to determine the amount of money and if they are low, high, or the right amount?