Please advise, need your help, thanks!

A firm is choosing between two technologies (technologies A and B) for its production process. Technology A has a small fixed cost ($170), but involves a lot of work by hand, where each unit produced has a marginal cost of $12. Technology B involves a lot of automation, and the equipment has a cost of $2,040, but the marginal cost is then reduced to $5 for each unit of output. What is the total cost of producing 90 units using technology A