There is insufficient information in the question to properly answer it. In order to compute a Z score from a raw score, you need the mean and the the standard deviation, neither of which was given. Please restate the question.
zscore
21% of 4500= 21% * 4500= 0.21 * 4500= 945
4500
4500 + 100% = 4500 + 4500 = 9000 dollars
2.5% of 4,500 = 2.5% * 4500 = 0.025 * 4500 = 112.5
zscore
30% of 4500= 30% * 4500= 0.3 * 4500= 1350
6% of 4500= 6% * 4500= 0.06 * 4500= 270
36% of 4500= 36% * 4500= 0.36 * 4500= 1,620
21% of 4500= 21% * 4500= 0.21 * 4500= 945
4500
4500
5% of 4500 = 4500*5/100 = 225
4500
4500 + 100% = 4500 + 4500 = 9000 dollars
4500
2.5% of 4,500 = 2.5% * 4500 = 0.025 * 4500 = 112.5