18 years ago, a certain part cost $325. The cost index was 244 and now the index is 329. What cost below is closest to the estimated current cost for the item?
$217
$366
$438
$241
Item number 16 took 190 minutes to make. If the learning curve rate is 90%, how long did the first item take, under the learning curve model? (Choose the closest answer)
290 mins
442 mins
125 mins