A consumer buys or trades to receive a commodity and a producer makes a commodity available for sale or exchange.
In simple words we can say that producers produces products and make them available in the market, and consumers consume them by purchasing from the market. Producers get profits on selling the products while consumers consume the final goods produced by the producers without any effort.
16.4 x 3 = 49.2cm however, if you take into consideration the width of the blade cutting the board, you would have to add that width twice to get the actual length of the board.