A coat department had sales of $63,870 for the month of November. During the month, the buyer reduced 50 coats from $65 to $45 and another 100 coats from $95 to $65. 

Find the markdown percentage for the month.

The buyer for the Book Shop received 200 books priced at $15.95 each. Fifty books were sold at this price. The remaining books were marked down to $11.95 and sold out at this price. 

Determine the total markdown.