help with the incorrect part

Vaughn Inc. has conducted the following analysis related to its product lines, using a traditional costing system (volume-based) and a activity-based costing system. The traditional and the activity-based costing systems assign the same amount of direct materials and direct labor costs. Your answer is correct. For each product line, compute operating income using the traditional costing system. Product 540X For each product line, compute operating income using the traditional costing system. Product 540X$ Product 137Y \$ Product 2495\$\$ Your answer is correct. For each product line, compute operating income using the activity-based costing system. For each product line, compute operating income using the activity-based costing system. Product 540$ Product 137Y$ Product 2495$ Assistance Used \& Your answer is incorrect. Using the following calculation, compute the percentage difference in operating income for each of the product lines of Ayaia: [Operating Income (ABC) - Operating Income (traditional cost)) + Operating Income (traditional cost), (Round answers to 2 decimal places, es. 12.25\%. Enter negative answers using either a negative sign preceding the number eg. 45.25% or parentheses eg. (45.25)\%.) Using the following calculation, compute the percentage difference in operating income for each of the product lines of Ayala: [Operating Income (ABC) - Operating Income (traditional cost)] Operating Income (traditional cost). (Round answers to 2 decimal places, e.g. 12.25\%. Enter negative answers using either a negative sign preceding the number e. 3.45.25% or parentheses eg. (45.25)\%.) Product 540X Product 137Y % Product 2495