Assalaamu Alaikum, We have 5 partners in the business and I am the only muslim. I have been allocated around £1000 as my share of the interest received in our work business bank account. I have paid £450 tax on this . So do I donate the £550 to charity (to dispose off impure wealth) or do I donate the entire £1000 ? If I donate the entire amount of £1000 and I gift aid donation, charity will receive 1250 and I will get back £250 (25% of 1250) through next year’s tax returns. Do I need...