The records of a computer retail store show that out of the 50 customers who purchased a desktop computer last month, all but 15 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 5 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 (Fill blank ? ) desktop notebook computers were less likely to purchase the service plan, because

(fill blank %) did not purchase the service plan, whereas only(Fill blank %) of the customers who bought (Fill blank ?) desktop notebook computers did not purchase the service plan.