I was told that I need replace exhaust manifold gasket because of oil leak, no o

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I took it for an oil change, came home, it was leaking, took it back, they said they should have put in the new bolt/gasket instead of using the old one, they put in the new, had it home a week and more oil is out in two spots instead of one. Took it back, now they say it is the exhaust manifold gasket. They don't do that so have to go somewhere else. Does this sound right, it never leaked before? In 2018, I was told I needed to replace the cylinder head gasket to the tune of $2814. I did it, so is this tied together or are they two seperate problems? I don't know what to do