5 years ago, a pension fund invested 1,000,000 yuan in the purchase of corporate bonds: 1000 yuan per face value, 20 years, 4% annual interest rate, a total of 1,000 bonds; Another $1,000,000 is invested in 10,000 shares of some preferred stock with a par value of $100 per share and an annual dividend of 6%. Right now, each bond is worth $900 and each stock is worth $115. The total current assets of the pension fund are calculated according to the following conditions:

(1) at market value;

(2) calculated at book value;

(3) Bonds shall be calculated at book value and stocks at market value;

(4) All assets are calculated at the present value of the yield of 5%