1. I decided to write rather than <b><i>phone</i>.</b><br/><br/>2. It's important to invest in new machinery rather than<i> <b>increase</b></i> wages.<br/><br/>3. Rather than <i><b>use</b></i> the last of my cash, I decided to write a cheque.<br/><br/>4. I decided to write rather than <b>phoning</b>.<br/><br/>5. It's important to invest in new machinery rather than <b>increasing</b> wages.<br/><br/>6. Rather than <b>using</b> the last of my cash, I decided to write a cheque.<br/><br/>Which of the above sentences are acceptable?<br/><br/>Thank you very much for your help.