The trademark for international business machines (ibm) was developed by from an infrequently used geometric slab-serif typeface, which lent the mark unity and distinction. in the 1970s, the ibm corporate trademark was updated by introducing stripes to unify the three letterforms and evoke scan lines on video terminals.

Martha is one producer in the perfectly competitive jelly industry. last year, martha and all of her competitors found themselves earning economic profits. if there is free entry and exit, what do you expect to happen to the number of suppliers in the industry and the price of jelly? the number of suppliers will increase, and the price of jelly will fall. the number of suppliers will decrease, and the price of jelly will increase. the number of suppliers will increase, and the price of jelly will increase. the number of suppliers will decrease, and the price of jelly will fall.