Can you help me with part c please?

Antique Accents tracks their daily profits and has found that the distribution of profits is normal with a mean of $22,200.00 and a standard deviation of about $900.00. Using thi answer the following questions. For full marks your answer should be accurate to at least three decimal places. Compute the probability that tomorrow's profit will be a) less than $19,995.00 or greater than $22,236.00 0 b) between $22,371.00 and $22,911.00 c) less than $21,858.00 or greater than $21,975.00