2.某商品按标价八折出售仍能盈利b元,若此商品的进价为a元,则该商品的标价为( )元.
0 298276 298284 298290 298294 298300 298302 298306 298312 298314 298320 298326 298330 298332 298336 298342 298344 298350 298354 298356 298360 298362 298366 298368 298370 298371 298372 298374 298375 298376 298378 298380 298384 298386 298390 298392 298396 298402 298404 298410 298414 298416 298420 298426 298432 298434 298440 298444 298446 298452 298456 298462 298470 366461
| A. | $\frac{5}{4}$a+$\frac{5}{4}$b | B. | 0.8a+0.8b | C. | $\frac{5}{4}a+b$ | D. | a+0.8b |