In the introduction to jevti's account the author writes "the ceremonies finished the royal processions amazingly retraced it's steps why does the author find this amazing?

Thhe author found it amazing that despite the Archduke was rescued from bombings, he came to the place where the master conspirator was waiting already to assassinate the Archduke and the Duchess.

Explanation:

The author in his article gives the account of how the assassination of Archduke of Ferdinand and Duchess Sophie took place. It was this assassination in the history that brought the worlds into the Great War and WWII and Cold War. The series of war began after this event in history.

In the introduction of Jevtic's account the author asserts that 'The ceremonies finished, the Royal Procession amazingly retraced it's steps bringing the Archduke into the range of the leader of conspiracy, Gavrilo Princip.'

The assassination of Archduke was planned by Gavrilo Princip, a young nineteen-year-old boy. In writing that the Royal  Procession 'amazingly retraced it's steps', the author is asserting that how the car of Archduke stopped right before the leader of conspiracy, Gavrilo Princip. He finds it amazing because despite the Archduke was rescued from bombing spot, he reached the place where he got assassinated.

step-by-step explanation:

100%     = 120

1%= 120/100=   1.2

9%   = 1.2 x 9=     10.8

10.80 to the 120 to get $130.80