Harpreet received the following grades in her Physics course:

Unit Assignments	87%	83%	91%	66%	81%	90%	84%
Unit quizzes	100%	85%	76%	52%	25%	92%	97%
Unit exams	90%	78%	88%	71%	77%	82%	95%
Final Exam	73%

Her unit assignments were worth 25%

Her unit quizzes worth 5%

Her unit exams worth 45%

Her final exam worth 25% of her final mark.

What was her final grade to the nearest whole percent?