Select the sentence that best demonstrates business writing skills.
The salesperson turned in his report, however he did not indicate the time period it covered:
The salesperson turned in his report, however, he did not indicate the time period it covered.
The salesperson turned in his report however he did not indicate the time period it covered.
The salesperson turned in his report. However he did not indicate the time period it covered.
The salesperson turned in his report. However, he did not indicate the time period it covered.