Verified answer

If you assume the average full-time working week is 35 hours, annual working hours are 35 x 52 = 1820. You then divide by 12 to get full-time monthly hours: 1820/12 = 152 (roughly!).

60/152 = 39% of full time hours, so annual salary would be 39% of £14,000, or £5,460.