Alex Butt proposed that the difference between the Covington and Becker meters was that the $\_\_\_\_\_\_\_\_.$

Multiple Choice

COV$-1000$ meter had an expected life span that was $10$ years longer

COV$-1000$ meter had an expected life span that was $5$ years longer

COV$-1000$ meter had a lower purchase cost but higher operating costs

COV$-1000$ meter had a higher purchase cost but provided operating cost saving

COV$-1000$ meter was easier to install