A lot of things are necessary to make sure your work won't be seen as plagiarism. For example it is useful to keep research notes that show your work flow. If you do use other sources, make sure to cite them and especially If you quote them make sure you use citation marks and give the source.
His plan was to retire the old depreciated obligations by borrowing new money at a lower interest rate.
Hope this helps!! ( Mark me brainliest)
I think the right answer is 27 july.1997