When a block of wood with a weight of $30 \; \mathrm{n}$ is completely submerged under water the buoyant force on the block of wood from the water is $50 \; \mathrm{n}$. when the block is released it floats at the surface. what fraction of the block will then be visible above the surface of the water when the block is floating?

Johnson company uses the allowance method to account for uncollectible accounts receivable. bad debt expense is established as a percentage of credit sales. for 2018, net credit sales totaled $6,400,000, and the estimated bad debt percentage is 1.40%. the allowance for uncollectible accounts had a credit balance of $61,000 at the beginning of 2018 and $49,500, after adjusting entries, at the end of 2018.required: 1. what is bad debt expense for 2018 as a percent of net credit sales? 2. assume johnson makes no other adjustment of bad debt expense during 2018. determine the amount of accounts receivable written off during 2018.3. if the company uses the direct write-off method, what would bad debt expense be for 2018?