What are the effects on receivables turnover? $[$Answer increase, decrease or no effect$]$

The company adopted new credit policies last year and began offering credit to customers with weak credit histories.

Due to problems with an error in its old credit scoring system, the company had accumulated a substantial amount of uncollectible accounts and wrote off a large amount of its receivables.

To match the terms offered by its closest competitor, the company adopted new payment terms now requiring net payment within $15$ days rather than $30$ days, which had been its previous requirement.