Answer:
Cayman Corporation
The increase in operating income is 27.5% (or $1.65 million).
Explanation:
a) Data and Calculations:
Sales last year = Â Â Â $26 million
Total variable costs   15 million
Contribution margin  $11 million
Fixed costs          5 million
Operating income   $6 million
Bondholders' interest 4 million
Income before tax   $2 million
Income taxes (21%) Â Â 0.42 million
Net income        $1.58 million
                  Last Year  Increase by 15%
Sales revenue =    $26 million   $29.9 million
Total variable costs   15 million     17.25 million
Contribution margin  $11 million   $12.65 million
Fixed costs          5 million     5.0 million
Operating income   $6 million    $7.65 million   $1.65 m or 0.275
Bondholders' interest 4 million     4.0 million
Income before tax   $2 million     3.65 million
Income taxes (21%)   0.42 million   0.7665 million
Net income        $1.58 million   2.8835 million = 82.5%