Glenstone Heart Hospital provides angioplasty procedures to patients according to the following standards. Standard Quantity or Hours Standard Price or Rate Direct materials (stents) 1.60 stents per procedure $1,220 per stent Direct labor (cardiologist) 1.70 hours per procedure $270 per hour For the most recent year, the hospital reported the following actual data: Number of procedures performed 31 Number of stents purchased and used 48 Total cost of stents purchased and used 557,200 Number of direct labor hours 57 Total cost of direct labor $15,500 Compute the materials price variance. 51,952 Unfavorable $1.952 Favorable $1,360 Unfavorable $1.360 Favorable