7 Xiang Yu Company purchased a patent for $1,000,000 at the beginning of X1, and its logal validity period is 7 years. Xiang Yu Company estimates that the economic benefit period of the patent right is only 5 years. However, at the end of X1, because Liu Bang's company developed another better patent, Xiang Yu's company estimated that the patent right could only be used for another 2 years, and the net cash inflow at the end of each year ($70,000, discounted at 10%, The discounted value at the end of 1 is $121.488 Try to make the necessary entries for Xiang Yu's company in years X1 and X2 including (1) The entry for the purchase right at the beginning of X1, (2) The entry for the amortization expense at the end of X1, (3). XI recognized impairmont entry at the end of the year. (4) 2 amortized expense entry at the end of the year. (The amortization method adopts the straight-line method). (8 points)