When the local grocery store puts cereal on sale, reducing its price from $4.40 per item to $3.40 per item, the quantity sold increases from 220 per week to 230 per week. 1. This illustrates the elasticity of . 2. What formula is used to determine the percentage change in quantity demanded?

Levine inc., which produces a single product, has prepared the following standard cost sheet for one unit of the product. direct materials (9 pounds at $1.80 per pound) $16.20 direct labor (6 hours at $14.00 per hour) $84.00 during the month of april, the company manufactures 270 units and incurs the following actual costs. direct materials purchased and used (2,500 pounds) $5,000 direct labor (1,660 hours) $22,908 compute the total, price, and quantity variances for materials and labor.