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The LSUS Corporation has beginning long$-$term debt of $$840$ and ending long$-$term debt of $$790.$ The beginning and ending total debt balances are $$1,220$ and $$1,360,$ respectively. The interest paid is $$30.$ What is the amount of the cash flow to creditors? $($Hint: examine cash inflows and$/$or outflows from the creditors' perspective$)$

a$.$ $$80$

b$.-$$$80$

C$.-$$$110$

d$.$ $$110$