(MC)
Which answer correctly evaluates the validity of the following quotation?
The new ban on plastic garbage bags has made putting lawn waste out for collection more difficult. The policy may be harsh, but it is for the best in terms
of protecting the environment. Meanwhile, you can buy my biodegradable paper bags that are made big enough for your toughest yard work. -- Jimmy
Doan. SuperGee Lawn Care Service

Invalid: Author is not qualified on the subject of yard waste.

Invalid: Author may gain financially from the position taken.

Valid: Author makes concessions to the opposing argument.

Valid: Author is clearly qualified to speak on the topic