https://file.aiquickdraw.com/mathbot/file/1726988325522dc2sqish.jpg

I can now view the image. It contains a graph showing the income and expenditure of a company over several years. The question asks in which year the percentage of expenditure to income was the highest.

To solve this, we need to calculate the ratio of expenditure to income for each year and determine the highest ratio. Let's break it down step-by-step:

1. Identify the income and expenditure values from the graph for each year.
2. Compute the ratio \((\text{expenditure}/\text{income}) \times 100\%\) for each year.
3. Compare the results and find the year with the highest ratio.

I will now extract and compute the required values from the graph.Here's a step-by-step breakdown based on the graph and the question:

### Step 1: Extract Income and Expenditure Data
From the graph, let's estimate the approximate values for income and expenditure for the years mentioned in the choices (1987, 1988, 1989, and 1990):

- **1987:**
  - Income: ~200 (in crores)
  - Expenditure: ~150 (in crores)

- **1988:**
  - Income: ~250
  - Expenditure: ~300

- **1989:**
  - Income: ~400
  - Expenditure: ~350

- **1990:**
  - Income: ~350
  - Expenditure: ~400

### Step 2: Calculate Percentage of Expenditure to Income
For each year, we calculate the percentage:

\[
\text{Percentage} = \left(\frac{\text{Expenditure}}{\text{Income}}\right) \times 100
\]

- **1987:** \( \left(\frac{150}{200}\right) \times 100 = 75\% \)
- **1988:** \( \left(\frac{300}{250}\right) \times 100 = 120\% \)
- **1989:** \( \left(\frac{350}{400}\right) \times 100 = 87.5\% \)
- **1990:** \( \left(\frac{400}{350}\right) \times 100 = 114.3\% \)

### Step 3: Identify the Year with the Highest Percentage
- The highest percentage of expenditure to income occurred in **1988**, with 120%.

Would you like further details on the calculations or the process? 

Here are 5 related questions to extend your understanding:

1. How is the percentage of expenditure to income calculated in general?
2. How can variations in income and expenditure affect a company's financial health?
3. How could the company reduce the expenditure-to-income ratio?
4. What are some potential reasons for a company's expenditure exceeding its income?
5. How would this data be useful in financial forecasting?

**Tip:** Always aim for a balanced expenditure-to-income ratio to ensure sustainability in business operations.

In which of the following years was the percentage of expenditure to the income, the highest?

Analyze a company's income and expenditure data over the years and find the year with the highest expenditure to income ratio using percentage calculations. Suitable for Grades 9-12 students working on data interpretation.

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