he more a technology is produced and used, the better understood and developed it becomes, leading to $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

a$.$

improved performance and improved costs.

b$.$

improved performance and reduced costs.

c$.$

reduced performance and reduced costs.

d$.$

no changes in performance