Answer:
I don't see an O in the picture at all.
but here's how you solve it: just count the nodes between the species, the fewer the closer
I would go for E and I, only one step between them
85000+3500+10000=98500 is a historic price of equipment. Annual depreciation is (98500-15000)/5=83500/5=16700. At december 31 2016 will be gone 2 years-2015 and 2016. So the accumulated depreciation will be 2*16700=33400
Shape A is congruent to shape F as shown by a reflection across the y-axis and then a translation down 3 units
Shape B is congruent to Shape D as shown by a reflection across the y-axis and then a translation down 2 units