Selected information from Trolley Corporation's 2013 accounting records is as follows: Proceeds from sale of land, $125,000; Proceeds from long-term borrowings, $250,000; Purchases of plant assets, $60,000; Purchases of inventories, $375,000; Proceeds from sale of Trolley common stock, $200,000. What is the net cash provided (used) by investing activities for the year ended December 31, 2013?
a) $15,000
b) $65,000
c) $140,000
d) $450,000