Thompson Industries has the following short-run cost structure per level of production output: Output Units (Q) Total Costs (TC) Fixed Costs (FC) 30000 $ 240000 $12000 50000 $ 360000 $12000 70000 $ 480000 $12000 90000 $ 570000 $12000 Based on the above and assuming a sales price of $10 per unit, what is the marginal cost per unit if the Company’s output is increased from 50000 units to 70000 units（）

A. $6.86

B. $6.00

C. $4.60

根据《票据法》规定，见票即付的汇票，向付款人提示付款的期限为( )。

A．到期日起10日内

B．出票日起1个月内

C．出票日起10 日内

D．到期日起1个月内