Metlock, 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.

$\backslash$table$[[$Quarter$,$Units,$],[$First$,102,400,],[$Second$,,192,000],[$Third$,,704,000],[$Fourth$,,153,600],[$Annual total,$1,152,000,]]$

Metlock incurs variable manufacturing costs of $$0\mathrm{.}40$ per unit and variable nonmanufacturing costs of $$0\mathrm{.}40$ per unit. Metlock will incur fixed manufacturing costs of $$921,600$ and fixed nonmanufacturing costs of $$1,382,400.$ Metlock will sell its product for $$4$ per unit.

Determine the amount of net income Metlock will report in each of the gour quarters of $2025,$ assuming actual sales are as projected and empoying the integral approach to interim financial reporting. $($Ignore income taxes.$)$ Repeat the analysis under the discrete approach.

Compute Metlocks profit margin on sales for each of the four quarters of $2025$ under both the integral and discrete approaches.