Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
1993–94 Port Vale F.C. season
Table title:
Transfers out
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Date from </th><th colspan=1 rowspan=1 > Position </th><th colspan=1 rowspan=1 > Nationality </th><th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > To </th><th colspan=1 rowspan=1 > Fee </th><th colspan=1 rowspan=1 > Ref. </th></tr>
<tr> <td colspan=1 rowspan=1 > September 1993 </td><td colspan=1 rowspan=1 > FW </td><td colspan=1 rowspan=1 > England </td><td colspan=1 rowspan=1 > Brian Mills </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Released </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > February 1994 </td><td colspan=1 rowspan=1 > FW </td><td colspan=1 rowspan=1 > Scotland </td><td colspan=1 rowspan=1 > Bernie Slaven </td><td colspan=1 rowspan=1 > Darlington </td><td colspan=1 rowspan=1 > Free transfer </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > May 1994 </td><td colspan=1 rowspan=1 > FW </td><td colspan=1 rowspan=1 > England </td><td colspan=1 rowspan=1 > Nicky Cross </td><td colspan=1 rowspan=1 > Hereford United </td><td colspan=1 rowspan=1 > Free transfer </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > May 1994 </td><td colspan=1 rowspan=1 > DF </td><td colspan=1 rowspan=1 > England </td><td colspan=1 rowspan=1 > Simon Mills </td><td colspan=1 rowspan=1 > Boston United </td><td colspan=1 rowspan=1 > Free transfer </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > May 1994 </td><td colspan=1 rowspan=1 > GK </td><td colspan=1 rowspan=1 > Northern Ireland </td><td colspan=1 rowspan=1 > Trevor Wood </td><td colspan=1 rowspan=1 > Walsall </td><td colspan=1 rowspan=1 > Free transfer </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > June 1994 </td><td colspan=1 rowspan=1 > MF </td><td colspan=1 rowspan=1 > England </td><td colspan=1 rowspan=1 > Ian Taylor </td><td colspan=1 rowspan=1 > Sheffield Wednesday </td><td colspan=1 rowspan=1 > £1,000,000 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > July 1994 </td><td colspan=1 rowspan=1 > DF </td><td colspan=1 rowspan=1 > England </td><td class="highlighted"  colspan=1 rowspan=1 > Peter Swan </td><td class="highlighted"  colspan=1 rowspan=1 > Plymouth Argyle </td><td class="highlighted"  colspan=1 rowspan=1 > £300,000 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Summer 1994 </td><td colspan=1 rowspan=1 > MF </td><td colspan=1 rowspan=1 > England </td><td colspan=1 rowspan=1 > Paul Kerr </td><td colspan=1 rowspan=1 > Wycombe Wanderers </td><td colspan=1 rowspan=1 > Free transfer </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What were the terms of Peter Swan's transfer?
Answer:
The Port Vale F.C. sold Peter Swan to Plymouth Argyle for £300,000.