Answer and Explanation:
As per the data given in the question, the classification of the transactions are as follows
a) Issued $50,000 par value common stock for cash = it is a financing activity as it increased the common stock and cash which shows in the financing activity
b) Purchased a machine for $30,000, It is a Non cash investing giving a long-term note in exchange and financing activity. As it does not include any cash transactions
c) Issued $200,000 par value common stock upon conversion of bonds having . It is a Non cash investing a face value of $200,000 and financing activity as it does not involve any cash transactions
d) Declared and paid a cash dividend of $18,000= It is a financing activity as the dividend is deducted from the statement of stockholder equity
e) Sold a long-term investment with a cost of $15,000 for $15,000 cash = It is an Investing activity as there is a sale of long term investment , the same is recorded in the investing activity in a positive sign because it is an outflow of cash
f) Collected $16,000 from sale of goods . It is an operating activity as cash is collected so the same is come under the operating activity
g) Paid $18,000 to suppliers. This transaction comes under the operating activity in a negative sign