Answer: C. $2,536,000.
Step-by-step explanation:
This is the net cash spent in financing activities.
= Payment in 2015 of cash dividend declared in 2014 to preferred shareholders + Payment for the early retirement of long-term bonds payable (carrying amount $2,620,000) - Proceeds from the sale of treasury stock
= 186,000 + 2,650,000 - 300,000
= $2,536,000