Inox Resto, a fast food chain, reported COGS of $160 million for 2017. Total assets increased by $100 million, including an increase of $15 million in inventory. Total liabilities increased by $80 million, including an increase of $10 million in accounts payable. How much cash did the company pay to its suppliers during the year 2017?

a) $160 million

b) $150 million

c) $165 million

d) $175 million