Record transactions for Long $-$ a tax advisor

$\backslash$table$[[$Date$,$Transaction:$],[10-$Apr,Long provided tax service to customer Martin and got paid $$500.],[11-$Apr,A new customer Tom paid Long $$700$ to book Long for tax service to be performed in July $10.],[12-$Apr,Long provided $$2,000$ tax service to customer Chris on account. Chris promised to pay by Jun $30.]]$