Which of the following results is generally considered favourable?

Question

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A large decrease in the accounts receivable turnover ratio represents a longer time to collect payments from customers, which is not favorable. 
An increase in the inventory turnover ratio suggests a company is selling more of its inventory, which is generally considered favorable. 
An increase in sales along with a larger decrease in the gross profit percentage may indicate a decrease in profitability, so it is not a favorable result. 
A decrease in the operating cash flow ratio indicates a decrease in a company's ability to generate cash flow from its operations, which is not favorable.

Which of the Following Results Is Generally Considered Favourable