Taiwan Received More Six AH-64E Apache Attack Helicopters

The United States of America had delivered of six AH-64E Apache attack helicopter to Taiwan. Taiwan had ordered 30 of the newest A[ache model with $1.95 billion. " A US$2 billion bill is not expensive for Taipei to secure 30 of the most advanced attack helicopters of the world, said a source from the Republic of China (Taiwan) Army amid criticism from pro-China scholars" 
The Unit Cost varied from time to time
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Unit cost	AH-64A: US$20M (2007) AH-64D: US$65M (2010)[4] AH-64E: US$35.5M (FY2014)[5]