46 Amount: 45) £....... per 46)

Explanation:

The question asks for a monetary amount per a certain period. The context suggests a donation. Options provided in the image are "One-off" and "Regular e.g.". If the donation is "Regular", it would be specified with a frequency like "month" or "year". Given the format "Amount: 45) £....... per 46)", it's a fill-in-the-blank for the frequency. Without explicit options provided for 46, we infer common donation frequencies. "Month" is a very common frequency for regular donations.

Answer: month