A shopkeeper labelled the price of the articles so as to earn a profit of 30% on the cost price. He,then sold the articles by offering a discount of I 0% on the labelled price. What is the actual per cent profit earned in the deal ?

Options

A. 0.18
B. 0.15
C. 0.2
D. None of these

Explanation

To solve the problem step by step, we will follow the reasoning provided in the video transcript.

### Step 1: Define the Cost Price (CP)
Let the cost price (CP) of the article be \(100\) units.

**Hint:** Start by assuming a simple value for CP to make calculations easier.

### Step 2: Calculate the Labelled Price (LP)
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