Can you please help me with this question I am stuck

The Ivanhoe Inn is a restaurant in Flagstaff, Arizona. It specializes in southwestern style meals in a moderate price range. Paul Weld, the manager of Ivanhoe, has determined that during the last 2 years the sales mix and contribution margin ratio of its offerings are as follows. Sales mix is determined using total sales dollars. Paul is considering a variety of options to try to improve the profitability of the restaurant. His goal is to generate a target net income of $100,620. The company has fixed costs of $905,580 per year. (a) Calculate the total restaurant sales and the sales of each product line that would be necessary to achieve the desired target net income. (Round intermediate calculations to 3 decimal places e.g. 0.251 and final answers to 0 decimal places, eg. 2,510.) Total restaurant sales Calculate the total restaurant sales and the sales of each product line that would be necessary to achieve the desired target net income. (Round intermediate calculations to 3 decimal places e.g. 0.251 and final answers to 0 decimal places, e.g. 2,510.) Compute the total restaurant sales, and the sales of each product line that would be necessary to achieve the desired targt net income $100,620. (Round intermediate calculations to 3 decimal places e.g. 10.251 and final answers to 0 decimal places, e.g. 2,510.)