on january 1, 2020, shrub, inc. has $100,000 convertible debenture bonds which were sold at par ($1,000 per bond). the bonds are due in 10 years and pay 8% interest. each bond is convertible into 20 shares of common stock. shrub has a 35% tax rate. none of the bonds were converted during 2020. when shrub computes diluted eps on december 31, 2020, which of the following occurs?