A 70-year-old woman reports leaking urine when she laughs or coughs. These symptoms have been going on for 10 months and increasing in frequency. She reports no urgency associated with the incontinence episodes. You perform a thorough history and observe a positive cough stress test and urethral hypermobility on physical exam. Her urinalysis does not show any signs of a urinary tract infection. She adamantly wants “the best” surgical management for this condition. What is the best next step in preoperative evaluation?