Selected information from Brook Corporation’s accounting records and financial statements for 2019 follows:
Net cash provided by operating activities ..........................................$1,500,000
Mortgage payable issued to acquire land and building ......................1,800,000
Common stock issued to retire preferred stock ......................................500,000
Proceeds from sale of equipment ..............................................................400,000
Cost of office equipment purchased ..........................................................200,000

On the statement of cash flows for the year ended December 31, 2019, Brook should disclose a net increase in cash in the amount of:
a. $1,700,000
b. $2,400,000
c. $3,700,000
d. $4,200,000