A consumer has two goods in his consumption bundle: bread and coffee. The current price of bread is $$3\mathrm{.}00$ per loaf and the price of coffee is $$15\mathrm{.}00$ per cup.

What is the relative price of bread to coffee? $($bread per unit of coffee$)?($enter your response round to one or two decimal places as appropriate$).$

Suppose that the price of bread increases by $20\%$ and the price of coffee increases by $15\%$

The relative price $($bread per unit of coffee$)$ has

Based on the substitution effect, we would expect our consumer to buy relatively more bread, relatively more coffee or make no change to this consumption bundle?