Each of the $23$ boxes in the picture below represents a product manufactured by one of the following three companies: Alfa, Bravo and Charlie. The area of a box is proportional to the revenue from the corresponding product, while its centre represents the Product popularity and Market potential scores of the product (out of $20$). The shadings of some of the boxes have got erased.
The companies classified their products into four categories based on a combination of scores (out of $20$) on the two parameters-Product popularity and Market potential as given below:
$\begin{array}{|cl|cI|cI|cI|} \hline
&\text{} & \text{Promising} & \text{Blockbuster} & \text{Doubtful} & \text{No-hope} \\ \hline
& \text{Product popularity score} & \text{>10} & \text{>10} & \text{$\leq$10} & \text{$\leq$10} \\ \hline
& \text{Market potential score} & \text{>10} & \text{$\leq$10} & \text{>10} & \text{$\leq$10} \\ \hline
\end{array}$
The following facts are known:
- Alfa and Bravo had the same number of products in the Blockbuster category.
- Charlie had more products than Bravo but fewer products than Alfa in the No-hope category.
- Each company had an equal number of products in the Promising category.
- Charlie did not have any product in the Doubtful category, while Alfa had one product more than Bravo in this category.
- Bravo had a higher revenue than Alfa from products in the Doubtful category.
- Charlie had a higher revenue than Bravo from products in the Blockbuster category.
- Bravo and Charlie had the same revenue from products in the No-hope category.
- Alfa and Charlie had the same total revenue considering all products.
Considering all companies products, which product category had the highest revenue?
- Doubtful
- Promising
- No-hope
- blockbuster