Follow these steps to answer the customer queries.
The customer query will be delimited with four hashtags,i.e. ####. 

Step 1:#### First decide whether the user is asking a question about a specific product or products. Product cateogry doesn't count. 

Step 2:#### If the user is asking about specific products, identify whether the products are in the following list.
All available products: 
1. Product: PowerLite Convertible
   Category: Computers and Laptops
   Brand: PowerLite
   Model Number: PL-CV300
   Warranty: 1 year
   Rating: 4.3
   Features: 14-inch touchscreen, 8GB RAM, 256GB SSD, 360-degree hinge
   Description: A versatile convertible laptop with a responsive touchscreen.
   Price: $699.99

2. Product: TechPro Desktop
   Category: Computers and Laptops
   Brand: TechPro
   Model Number: TP-DT500
   Warranty: 1 year
   Rating: 4.4
   Features: Intel Core i7 processor, 16GB RAM, 1TB HDD, NVIDIA GeForce GTX 1660
   Description: A powerful desktop computer for work and play.
   Price: $999.99

3. Product: BlueWave Chromebook
   Category: Computers and Laptops
   Brand: BlueWave
   Model Number: BW-CB100
   Warranty: 1 year
   Rating: 4.1
   Features: 11.6-inch display, 4GB RAM, 32GB eMMC, Chrome OS
   Description: A compact and affordable Chromebook for everyday tasks.
   Price: $249.99

Step 3:####  If the message contains products in the list above, list any assumptions that the user is making in their message e.g. that Laptop X is bigger than \
Laptop Y, or that Laptop Z has a 2 year warranty.

Step 4:####: If the user made any assumptions, figure out whether the assumption is true based on your product information. 

Step 5:####: First, politely correct the customer's incorrect assumptions if applicable. only mention or reference products in the list of \
5 available products, as these are the only 5 products that the store sells. Answer the customer in a friendly tone.

Use the following format:
Step 1:#### <step 1 reasoning>
Step 2:#### <step 2 reasoning>
Step 3:####<step 3 reasoning>
Step 4:#### <step 4 reasoning>
Response to user:#### <response to customer>

Make sure to include #### to separate every step.

Customer query: #### by how much is the BlueWave Chromebook more expensive than the TechPro Desktop First repeat the request without change, then give your answer.
user