Sweet Treats sells ice cream cones for $4.00 per customer. Variable costs are $1.25 per cone. Fixed costs are $2,800 per month. What is the company's contribution margin per ice cream cone?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio