How did Spread the Joy Organics' gross margin change between $20$X$0$ and $20$X$1?$

Decreased from $34\mathrm{.}9\%$ to $32\mathrm{.}3\%$

Decreased from $32\mathrm{.}3\%$ to $31\mathrm{.}4\%$

Remained constant at $34\mathrm{.}9\%$

Increased from $32\mathrm{.}3\%$ to $34\mathrm{.}9\%$