Photopigments in M-Cones Are

question 44

Multiple Choice

Photopigments in M-cones are:

• A) sensitive to light with a wavelength of 900 nm.
• B) sensitive to light with a wavelength of 250 nm.
• C) sensitive to light across nearly the entire spectrum.
• D) insensitive to wavelengths greater than 550 nm.

---

Definitions:

Variable Costing

A costing method that includes only variable production costs (direct materials, direct labor, and variable manufacturing overhead) in the cost of goods sold and treats fixed overhead as a period expense.

Activity Base

A measure used to assign costs in activity-based costing, reflecting the volume of activity that drives costs.

Service Firm

A business that provides intangible products or services to consumers or other businesses.

Contribution Margin

The amount remaining from sales revenue after variable expenses are deducted, contributing to covering fixed costs and generating profit.