Study Volt has the following financial information:

Unit Sales $86,000$

Revenue $ $8,600,000$

Variable Costs $ $2,150,000$

Contribution Margin $ $6,450,000$

Fixed Costs $ $1,800,000$

Operating Income $ $4,650,000$

a$.$ What is Study Volt$$s degree of operating leverage? Note: Round your answer to $2$ decimals.

b$.$ A $10\%$ increase in sales will generate what percent increase in operating income? Note: Round your answer to $2$ decimals. $\%$

c$.$ To deal with an industry$-$wide labor shortage, Study Volt has decided to increase automation on its production line. Doing so will decrease variable costs by $60\%$ but will increase fixed costs by $$2,000,000.$ Assuming constant sales, if Study Volt reconfigures its production line, what will be the change in Study Volt$$s operating income? Note: Round your answer to $2$ decimals. Enter a decrease as a negative value.

d$.$ If Study Volt reconfigures its production line, what will be Study Volt$$s degree of operating leverage? Note: Round your answer to $2$ decimals.

e$.$ If Study Volt reconfigures its production line, a $10\%$ increase in sales will generate what percent increase in operating income? Note: Round your answer to $2$ decimals. $\%$