The records of a computer retail store show that out of the 100 customers who purchased a desktop computer last month, all but 22 also purchased a service plan that extends the warranty for an extra year. Out of the 25 customers who purchased a notebook computer last month, all but 7 purchased the same service plan.

Fill in the blanks of the statement below to make the statement the most reasonable possible.

Last month, customers of the store who purchased ? computers were more likely to purchase the service plan, because ?%

purchased the service plan, whereas only ?%

of the customers who bought ? computers purchased the service plan.