Final answer:
The main issue with Universal Containers' sales process is inadequate record type customization, causing user concerns over the record type selection screen for new opportunities.
Step-by-step explanation:
The primary issue with Universal Containers' complex sales process, featuring multiple record types shared across all profiles, is likely b) Inadequate record type customization. When users express concerns about the record type selection screen when creating new opportunities, it often implies that the available options do not align well with their needs, causing confusion and inefficiency. To address this, it may be necessary to streamline the record types or better customize them to the specific roles and processes within the company. By doing so, you can reduce complexity and make the sales process more user-friendly, improving productivity and user adoption.