Whispering, Inc. is a company that manufactures and sells a single product. Unit sales for each of the four quarters of 2025 are projected as follows. Whispering incurs variable manufacturing costs of $0.30 per unit and variable nonmanufacturing costs of $0.35 per unit. Whispering will incur fixed manufacturing costs of $662,400 and fixed nonmanufacturing costs of $993,600. Whispering will sell its product for $4 per unit. (a) Determine the amount of net income Whispering will report in each of the four quarters of 2025 , assuming actual sales are as projected and employing the integral approach to interim financial reporting. (Ignore income taxes.) Repeat the analysis under the discrete approach. (Round answers to 0 decimal places, e.g. 5,125. Enter negative amounts using either a negative sign preceding the number e.g. 45 or parentheses e.g. (45).) eTextbook and Media Attempts: 0 of 3 used (b1) Compute Whispering's profit margin on sales for each of the four quarters of 2025 under both the integral and discrete approaches. (Round answers to 1 decimal place, e.g. 52.5\%. Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).)