A start$-$up team from BITS Goa plans to sell a smart watering pot for plants. Based on the following details obtained from a market survey, forecast the demand for their product in $1$ year after the launch. Discuss the potential causes of error in forecasting. $[4+2]$

$35\%$ respondents would definitely purchase the product and $45\%$ respondents said they would probably purchase the product.

$70\%$ people are aware of the product while only $40\%$ of those have access to it to purchase.

$$ Sales team thinks that they can sell $20,000$ devices in $1$ year after the launch.

$$ The product does not have prior history. Use appropriate calibration constants.