What Is a Business Model? Definition and Types
A business model defines how a company creates, delivers, and captures value — and how investors and boards judge its durability.
Asset Turnover Ratio: Formula and Interpretation
Asset turnover measures how efficiently a business converts its assets into revenue. Learn the formula, calculation steps, and how to interpret the result.
What Is Amortization? Definition, Formula and Examples
Amortization explained: what it means for loans and intangible assets, how to calculate an amortization schedule, and why it matters for EBITDA and valuation.
Process Costing: Definition, Formula and Example
Process costing allocates production costs to homogeneous output. Learn the formula, equivalent units method, and a worked example.
Prime Costs: Definition, Formula and Examples
Prime costs are the sum of direct materials and direct labour — the core variable costs that underpin pricing decisions, margin analysis, and cost control.
Sales Price Variance: Formula, Calculation and Examples
Sales price variance measures the gap between actual and budgeted selling prices. Learn the formula, a worked example, and how to interpret the result.
Step Fixed Cost: Definition, Examples and How It Works
A step fixed cost stays constant within an activity range, then jumps to a new level. Learn how step costs work, with examples and modelling guidance.
Employee Share Plans: Types, Tax and How They Work
A guide to the main types of employee share plans in the UK — SIP, SAYE, CSOP, and EMI — covering how they work, tax treatment, and board oversight.
Departmental Overhead Rate: Formula & Calculation
A departmental overhead rate allocates indirect costs per department — learn the formula, see a worked example, and understand when to use it.
What Is a Non-Executive Director? Role & Responsibilities
A non-executive director provides independent oversight on a company’s board. Learn what NEDs do, how they differ from executive directors, and what makes them effective.