My friend collects antique stamps. she purchased two, but found that she needed to raise money urgently. So she sold them for Rs. 800 each. On one she made 20% and on the other she lost 20%. How much did she gain or lose in the entire transaction? Choose the correct choice from the following answers:	A) 66.66	B) 66.69	C) 66.68	D) 66.67	E) 66.65
Explanation:   Selling prices were given. Assume that on the first stamp she made profit and on the second stamp she made loss.   So cost prices of the both stamps = 800120%+80080%800120%+80080% = 1666.66   So She incurred a loss of 66.66 rupees.   66.66nswer: 66.66
<result>A</result>
My friend collects antique stamps. she purchased two, but found that she needed to raise money urgently. So she sold them for Rs. 800 each. On one she made 20% and on the other she lost 20%. How much did she gain or lose in the entire transaction?