# Amount of Sales Needed to Receive a Specified Monthly Income

**Problem**

A salesperson earns P60,000 per month plus a commission of 20% of sales. Find the minimum amount of sales needed to receive a total income of at least P150,000 per month.

A. P150,000 | C. P450,000 |

B. P350,000 | D. P250,000 |

**Answer Key**

[ C ]

**Solution**

$60\,000 + 0.20x = 150\,000$

$x = \text{P}450\,000$ ← Answer: [ C ]

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