Liquid syntax error -- please help

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I posted about this before but nobody ended up replying after the first post. I want to set up a minimum price on my online store. I'm using the template Brooklyn. The code pasted below is from my cart.liquid. It shows everything from the (which I changed to be > 1499) and then all the way down to the html code I was directed to put in. However, when I try to save it, it says "liquid syntax error: unexpected outer else tag". Someone told me to take off the "endif" at the end of the added code but while I was able to save it, it didn't set a minimum in my online store. Please, please help me. I really want to be able to have people placing orders in my store. Thank you to anyone who helps me!! It's sooo appreciated!!! 

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