The tabletop department in a local retailer has monthly expenses totaling $$10,500$ and a cost of goods sold for the month of $$32,500,$ which is $50\%$ of net sales. If customer returns total $$1,150,$ what were gross sales for the month?

a$)$ $$63,850$

b$)$ $$75,500$

c$)$ $$22,150$

d$)$ $$66,150$