As part of its commitment to quality, the J. J. Borden manufacturing company is proposing to introduce just-in-time (JIT) production methods. Managers of the company have an intuitive feel regarding the financial benefits associated with a change to JIT, but they would like to have some data to inform their decision making in this regard. You are provided with the following data: Item Manufacturing costs as percentage of sales: Product-level support Variable manufacturing overhead Direct materials Direct manufacturing labor Other financial data: Sales revenue Inventory of WIP Other data: Manufacturing cycle time Inventory financing costs (per annum) Existing Situation 15% 28 30 20 $1,430,000 260,000 60 days 10% After Adopting IT 4% 10 20 13 $ 1,810,000 46,000 30 days 10% Required: As the management accountant for the company, prepare an estimate the financial benefits associated with the adoption of JIT. Specifically, what is the estimated change in annual operating income attributable to the JIT implementation?