Question 11 of 15. In 2022, Rainer disposed of some crypto he had held for several years. He is not entirely sure of his basis in the co An estimate is fine. As long as Rainer knows roughly what the coins were selling for the month he made the purchase, The coin exchange Rainer uses is responsible for providing that information, so he can contact them and find the origin If he doesn't have the original records, he cannot recreate them. Rainer must use a $0 basis. Rainer can use a blockchain explorer to determine the date and time of his purchase and the fair market value (FMV) of Mark for follow up Question 11 of 15. In 2022, Rainer disposed of some crypto he had held for several years. He is not entirely sure of his basis in the co An estimate is fine. As long as Rainer knows roughly what the coins were selling for the month he made the purchase, The coin exchange Rainer uses is responsible for providing that information, so he can contact them and find the origin If he doesn't have the original records, he cannot recreate them. Rainer must use a $0 basis. Rainer can use a blockchain explorer to determine the date and time of his purchase and the fair market value (FMV) of Mark for follow up