Alex sells Ice cream cones. He see each care for $2. Variable costs per unit are $1.75 and total fixed costs are $80. To make a profit of 5145, she must sell this number of units 200 units 500 units 0 750 unns 300 units Alex sells Ice cream cones. He see each care for $2. Variable costs per unit are $1.75 and total fixed costs are $80. To make a profit of 5145, she must sell this number of units 200 units 500 units 0 750 unns 300 units