Rosa Co. expects the following results for the next accounting period: Sales $242569 Variable costs $137495 Fixed costs $44500 Expected production and sales 2882 units The sales manager, Michael, believes sales could be increased by 424 units if advertising expenditures were increased by $8357. In addition, as part of increasing advertising it will streamline some processes and fixed costs of $1968 can be avoided. What would be the incremental income of this proposal?