nformation for two companies follows:

Skittles Company Starburst Company

Sales $ $4,701,600$ $ $4,116,000$

Contribution margin $3,141,6001,456,000$

Fixed costs $2,427,600896,000$

$(1)$ Compute the degree of operating leverage $($DOL$)$ for each company.

$(2)$ Which company is expected to produce a greater percent increase in income from a $30\%$ increase in sales?