Wemy Treats Bakery (VTB) mokes pastries and muthrs., YTB gathered the following information for the current year regarding its use of flour and butter (flour is a direct material for pastries and butter is a direct material for muffins). Flour (Direct Materials) Butter (Direct Materials) pastries Standard quantity per unit 20s Standard price per pound 54.00/b Actual quantity purchased and used per batch (pounds) ? Actual price pald 55.00/b. Price varance. $1.575U Effidency variance $500 F Revible budget variance Number of units produced 850 muffins 4.5 is. $8.50/1b. $1.350U $3,750 U 600 How much is the quantity of butter allowed to produce 600 muffins