The Phone Bill for a Company Consists of Both Fixed

question 117

Multiple Choice

The phone bill for a company consists of both fixed and variable costs. Refer to the four-month data below and apply the high-low method to answer the question.
- $$\begin{array} { | l | r | r | } \hline & \text { Minutes } & \text { Total Bill } \\\hline \text { January } & 460 & \$ 3000 \\\hline \text { February } & 200 & \$ 2675 \\\hline \text { March } & 170 & \$ 2660 \\\hline \text { April } & 310 & \$ 2825 \\\hline\end{array}$$ What is the variable cost per minute? (Round your answer to the nearest cent.)

• A) $1.17
• B) $6.52
• C) $0.85
• D) $0.11

---

Definitions:

Scaffolding

A teaching method that involves providing support to students as they learn new concepts, gradually reducing the support as the students become more proficient.

Zone of Proximal Development

Vygotsky's concept describing the difference between what a learner can do without help and what they can achieve with guidance and encouragement from a skilled partner.

Child Centered

An educational approach focusing on the needs, interests, and abilities of children.

Structured Activities

Planned events or tasks designed to follow specific rules or a set framework, often with the goal of achieving a particular outcome or learning.