A man decides to buy a nice horse. He pays $60 for it, and he is very content with the strong animal. After a year, the value of the horse has increased to $70 and he decides to sell the horse. But already a few days later he regrets his decision to sell the beautiful horse, and he buys it again. Unfortunately he has to pay $80 to get it back, so he loses $10. After another year of owning the horse, he finally decides to sell the horse for $90. What is the overall profit the man makes?
Choose the correct choice from the following.
A) 20 profit B) 10 profit C) 25 profit D) 30 profit E) 28 profit
70-60= 
<gadget id="calculator">70-60</gadget>
<output>10</output>
10 profit    90-80= 
<gadget id="calculator"> 90-80</gadget>
<output>10</output>
10 profit   ---------------------   Total=20 profit   20 profitNSWER:20 profit
<result>A</result>
A man decides to buy a nice horse. He pays $60 for it, and he is very content with the strong animal. After a year, the value of the horse has increased to $70 and he decides to sell the horse. But already a few days later he regrets his decision to sell the beautiful horse, and he buys it again. Unfortunately he has to pay $80 to get it back, so he loses $10. After another year of owning the horse, he finally decides to sell the horse for $90. What is the overall profit the man makes?