imagine that you bought a cellphone from a well known shop and that it broke down soon after you purchased it you took it back to be repaired it worked satisfactorily for a few days before breaking down again. on your next visit to the shop, the assistant in the shop showed impatience to discourtesy and said that he could not help you. write a letter to the manager complaining the poor performance of cellphone and of his staff, and asking him to the take necessary actions​