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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [CorpConstants](./bitburner.corpconstants.md) &gt; [officeSizeUpgradeCostBase](./bitburner.corpconstants.officesizeupgradecostbase.md)

## CorpConstants.officeSizeUpgradeCostBase property

**Signature:**

```typescript
officeSizeUpgradeCostBase: number;
```