//this is actually a more general function: can create the key name dynamically.
export default async function(values, key, percentarray) {
  const percents = await percentarray.get(key);
  // return {...value, percent_bank: bankp}
  return values.map(async (value, index) => {;
    value['percent_'+key.substring(0,key.length -1)] = await percents[index];
    return value;

  })
}