Market Share and Market Size Variances. Rhaden Company produces sweat resistant headbands for joggers. Information pertaining to Rhaden’s operations for May 2011 follows:

Actual

Budget

Units sold

230,550

220,000

Sales revenue

$3,412,140

$3,300,000

Variable cost ratio

68%

64%

Market size in units

4,350,000

4,400,000

1. Compute the sales volume variance for May 2011.

2. Compute the market share and market size variances for May 2011.

3. Comment on possible reasons for the variances you computed.