Lakeview Inc. transactions for the year ended December 31, 2019 included the following:

• Purchased real estate for $1,250,000 cash which was borrowed from a bank.
• Sold debt investments for $1,000,000.
• Paid dividends of $1,200,000.
• Issued 500 shares of common stock for $500,000.
• Purchased machinery and equipment for $250,000cash.
• Paid $900,000 toward a bank loan.
• Reduced accounts receivable by $200,000.
• Increased accounts payable $400,000.

Lakeview'snet cash used in investing activities for 2019 was

a.$750,000

b.$500,000

c.$1,500,000

d.$250,000