Midtown’s iconic coffee carts are hiking their notoriously cheap java prices for the first time in years, with sellers citing rising operational costs caused by inflation and tariffs as grounds for the sudden price jump. The 8-oz cup of Joe once peddled around Rockefeller Center for just $1 has risen to an average $1.50, with large cups sold for about $2.50, according to interviews with several cart operators in the heart of Midtown.