Sheridan Computing. Inc. sells three types of computing devices. Information on these is as follows: Laptop Tablet 27% of total sales 56% of total sales Unit contribution margin of $40 Unit contribution margin of $45 Desktop 17% of total sales Unit contribution margin of $35 If the fixed costs over the last three months of the year are $206394, what is the expected break-even point for this same period? O4587 units 4920 units 3920 units 5160 units