Can someone please help me out with some pre-post prices?

AR R4 #4
AR R5 #3
AR R7 #4
AR R8 #4 and #11
MR R7 #8
SR R9 #4

Thank you very much for your time and assistance if you're able to help me out.

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...time held me green and dying, though I sang in my chains like the sea. - Dylan Thomas