Sales representatives at universal software need to collaborate with customers on sales deals to gather requirements, analyse solutions, and deliver proposals. universal software wants to ensure that customers are fully engaged throughout each stage in the sales process.

a. share chatter files with customers
b. add customers to salesforce as chatter free users
c. allow customers to follow opportunities in chatter
d. invite customers into private chatter groups

B. Add customers to Sales force as Chatter Free users

D. Invite customers into private chatter groups

Explanation:

Since the customers are required in each and every step of sales, and that the customer satisfaction is the key to validate the transaction and sales procedure.

The steps to include them in the sales itself would be a great initiative and that there should be some personal meeting also by inviting them to the private chatter groups so that there suggestions can be attended properly.

Accordingly option B and option D are correct.

mauve company permits employees to occasionally use the copying machine for personal purposes