I am a bit confused with the pricing of retrieval. Could some good soul tell me how much would cost to: Store 150 GB as one big file for 5 years. To this I wi

I am a bit confused with the pricing of retrieval. Could some good soul tell me how much would cost to: Store 150 GB as one big file for 5 years. To this I will add 10 GB (also as one file) every year. And lets say I will need to retrieve the whole archive (original file + additions) at the end of year 2 and 5. How much will it cost?