Where do you have to be to experience a total eclipse​

You must be in the path of totality.

Explanation:

It is a thin ribbon of area.

Only viewers located in the path of the Moon's full shadow, its umbra, can see a total solar eclipse. Those outside the path see a partial eclipse. By convention, therefore, eclipses are named after their darkest phase—if a solar eclipse is total at any point on Earth, it is called a total solar eclipse.

Regular selling price (price before discount) 100%.

Price after trade discount of 15% is 85% of regular selling price..

Price after trade discount reduced to 10% is 90% of regular selling price.

By reducing the trade discount from 15% to 10% meant increasing the selling price by 5% of the selling price before applying the trade discount.