"The Fall of the House of Usher" is a short story by American writer Edgar Allan Poe, first published in 1839 in Burton's Gentleman's Magazine, then included in the collection Tales of the Grotesque and Arabesque in 1840.
Answer:"has cut" is past tense and "is cutting" is present
Explanation: If it is currently happening then you should use is cutting.
The percent gain is a 30% increase. You know this because if you need to add 3/10 to get from 5/10 to 8/10.