possibility of outsourcing this function. At present, the variable cost per unit is $ 280, and the fixed costs are $ 39 comma 000 per month. If it outsources the security system, fixed costs could be reduced by half, and the vacant facilities could be rented out to earn $ 4 comma 000 per month of rental income. What is the maximum contract cost that Alieia should pay for outsourcing? Question content area bottom Part 1 A. any cost lower than $ 280 per unit B. any cost lower than $ 475 per unit C. any cost lower than $ 390 per unit D. any cost lower than $ 515 per unit