I keep getting the last ear wrong. I feel like the answer they have is wrong since I got every other one right doing the same thing. Just double checking to see if I am doing it wrong and 7.83% isnt right. Thanks

Periodic interest rates. In the following table, fill in the periodic rates and the effective annual rates. First, fill in the periodic rates in the following table. (Round to two decimal places.) Compounding Effective Period APR per Year Periodic Rate Annual Rate Semiannual 8% 2 4% Quarterly 9% 2.25 % Monthly 7.5% 12 .63% Daily 4.5% 365 .01 % 4 Next, fill in the effective annual rates in the following table. (Round to two decimal places.) APR 8% Compounding per Year 2. Periodic Rate 4.00% Effective Annual Rate 8.16 % Period Semiannual Quarterly Monthly 9% 4 2.25% 9.31 % 7.5% 12 0.63% 7.83 %