american aid to israel has two forms, 1. 2,4 bln$ for military aid in loans, that israel always paid, more than 70% to be spent in USA. 2. several 100s mln $ for R&D which is very good for usa. GDP of israel was 201 bln$ in 2008, now is probably 230-240 bln. so it isa loan of 1% of GDP and you want to order. pay 30% grant and order, it will be in the neighborhood of 70 bln.
Netanyahu condemns West Bank arson attack, calling it 'terror' (Haaretz)
from the article: U.S.: Israel plan to build in East Jerusalem harms peace process