The incomes of 100 families in a certain region are stored in a computer file. The income ranges from Rs. 10,000.00 per year to Rs. 42,500.00 per year. By mistake, the highest income in the data set is recorded as Rs. 4,25,000.00. Which of the following statements regarding the effect of the mistake is true? 

A. The average income is overestimated by Rs. 4250.00 

B. The median income is correctly estimated 

C. The median income is overestimated 

D. The interquartile range is overestimated.

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