The diagram above illustrates a tool used in animal production. use it to answer this question.

The illustrated tool is

Formation of blisters on the mouth and the skin around the hoof of farm animals is a symptom of 

In sheep production, tapeworm could be controlled by 

The table below illustrates the supply schedule of maize. Use it to answer this question.

The percentage change in quantity supplied for maize is

The table below illustrates the supply schedule of maize. Use it to answer this question.

Calculate the percentage change in price for maize