Some of the following sentences are gramatically incorrect and some are correct. Find out which part of a sentence has an error and mark the part . if there is no error mark the part of your answer.
`("These kind of dresses" /a)(" seems to be ")/b`expensive but it is relatively `("economical")/c ("to maintain")/d`` ("No error")/e.`

Explanation

(a) Say this .kind.