Which of the following should be reported as a change in accounting estimate?
a. Change in the reported beginning inventory amount due to a discovery of a bookkeeping error
b. Change from the completed-contract method to the percentage-of- completion method for revenue recognition on long-term construction contracts
c. Increase in the rate applied to net credit sales from 1 percent to 1-1/2 percent in determining losses from uncollectible receivables
d. Change made to comply with a new FASB pronouncement