An oral ibuprofen solution was used as the reference standard in the evaluation of the relative bioavailability of a new oral solid dosage form of ibuprofen. Ibuprofen AUC after administration of 200 mg oral solution was 65 mg-hr/L, and after administration of 400 mg of the new product the AUC was 130 mg-hr/L. What is the relative bioavailability of the new ibuprofen product ?