A restaurant budgeted to sell 500 meals for $20 each in May. It actually sold 480 meals at an average of $19 each. a. How much is the Static-Budget Variance? Oe. 400 F Oa. $880 U Oc. $480 F Od.$480 U Of. 400 U Ob. $880 F b. How much is the Flexible-Budget Variance? Oe. 400 F Of. 400 U Od.$480 U Oa. $880U Ob. $880 F Oc. $480 F c. How much is Sales-Volume Variance? Oe. 400 F Of. 400 U Od.$480 U Oc. $480 F Oa. $880 U Ob. $880 F