The sale of land for cash of $120,000 and the purchase of equipment for $40,000 equals $80,000 net cash provided by investing activities. The issuance of bonds for $130,000 is a financing activity. Gentry Company's land account decreased $120,000 because of a cash sale for $120,000, its equipment account increased $40,000 as a result of a cash purchase, and its bonds payable account increased $130,000 from issuance of bonds for cash at face value. The net cash provided by investing activities is:

a) 90,000

b) 80,000

c) 210,000

d) 120,000