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TurboTax suggested me to switch to the Itemized deduction. I switched it but the SmartCheck doesn't let me enter no more than $300 for charitable donation (my cash donation is $950). Now, I switched back to the Standard deduction. The SmartCheck again gave me the same error and it doesn't let me enter more than $300 for charitable donation. So, either way, TurboTax doesn't let me enter more than $300. I'd like to know whether it is normal.