Consider the following ratios for Parker Tool & Die:

a$)$ Gross profit margin year $x1=20\mathrm{.}84$

b$)$ Gross profit margin year $2=22,83\%$

c$)$ Net profit margin year $x_1=-0,09\%$

d$)$ Net profft margin year $2=1,33\%$

e$)$ Debtor days $(Y{x}_1)=0$ vs $(Yx2)=3$ days

f$)$ Creditor days $)=35$ days vs $)=68$ days

What does this trend indicate in terms of the business' profitability?

A$.$ Profits have improved, year on year.

B$.$ Profits have decreased, as the time taken to pay creditors has been extended.

C$.$ Profits have improved as debtor days have decreased.

D$.$ Profits have improved as debtors are collected more efficiently.