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The pricing engine (src/utils/pricing.ts) generates budgetary cost estimates for industrial ventilation projects. It produces min/max price ranges in both COP (Colombian Peso) and USD using a fixed exchange rate, urgency multipliers, and volume scaling.

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Exchange Rate

COP_TO_USD_RATE = 4000
Imported from src/lib/constants.ts. This is the single source of truth for COP↔USD conversion across the entire codebase. The re-export in src/utils/pricing.ts is deprecated — always import directly from @/lib/constants.

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Base Prices by Service

Defined in BASE_PRICE_BY_SERVICE:
ServiceBase Price (COP)
fabricacion1,200,000
venta800,000
mantenimiento300,000
reparacion500,000
default500,000

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Urgency Multipliers

Defined in URGENCY_MULTIPLIERS:
UrgencyMultiplierEffect
alta1.35+35%
media1.10+10%
baja1.00No change
default1.00No change

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Volume Modifier

For every 100 cubic meters of project volume, the base price increases by 5%: 
volumeModifier = 1 + (volumeM3 / 100) × 0.05
subtotalCop    = basePriceCop × volumeModifier

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Price Deviation Range

A ±15% range (DEVIATION_FACTOR = 0.15) is applied to the estimated total to produce the budgetary min/max band: 
rangeMin = estimatedTotal × (1 - 0.15)   →  estimatedTotal × 0.85
rangeMax = estimatedTotal × (1 + 0.15)   →  estimatedTotal × 1.15

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Exported Functions

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estimatePrice(serviceType, urgency, volumeCubicMeters)

estimatePrice(
  serviceType: string,
  urgency: string,
  volumeCubicMeters: number
): PriceEstimation
Calculates a full price estimation for a given service type, urgency level, and physical volume. PriceEstimation interface: 
interface PriceEstimation {
  basePriceCop: number;
  urgencyMultiplier: number;
  subtotalCop: number;
  estimatedTotalCop: number;
  estimatedTotalUsd: number;
  rangeMinCop: number;
  rangeMaxCop: number;
  rangeMinUsd: number;
  rangeMaxUsd: number;
  rate: number;              // COP_TO_USD_RATE = 4000
}
Input safety:
  • volumeCubicMeters is clamped between 0.001 and 10,000,000 m³. Values outside this range are adjusted and a warning is logged via console.warn.
  • The urgency multiplier is capped at 2.0, regardless of the value looked up from URGENCY_MULTIPLIERS.

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Usage Example

import { estimatePrice } from "@/utils/pricing";

const estimate = estimatePrice("fabricacion", "alta", 1200);
// 1200 m³ warehouse, fabrication service, high urgency

console.log(`Range: ${estimate.rangeMinCop.toLocaleString()} – ${estimate.rangeMaxCop.toLocaleString()} COP`);
console.log(`USD range: $${estimate.rangeMinUsd} – $${estimate.rangeMaxUsd}`);
These are budgetary estimates only — ±15% deviation. They are presented to leads during the wizard to qualify interest, not as final commercial offers.

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