Ben Ltd obtains a loan from Maple Ltd on $1$ July $2020$ and agrees to pay back $$500,000$ in $3$ years' time. Ben Ltd currently has an AA credit rating and can borrow at $5\%.$ On $30$ June $2021,$ Ben Ltd$\text{'}$s credit rating decreases and its borrowing rate worsens to $6\%.$

What should be the impact due to the change in credit rating for Maple Ltd on $30$ June $2021?$

A loss of $$4,492$

A gain of $$4,492$

A loss of $$8,517$

A gain of $$8,517$