function [updatedStruct payout] = payMachine(os, findName, findCost)

   %Takes structures with people's wallet's contents and shows if they have

   %enough money to pay and what money they need to use.

   %Usage: [updated structure with info on what coins were used by who,

   %what coins were used or a string saying they didn't have enough] =

   %payMachine(original structure of wallet contents, name of person, cost

   %of what they're buying)

   lengths = length(os)

   names = {os.name}

   quarters = {os.quarters}

   dimes = {os.dimes}

   nickels = {os.nickels}

   pennies = {os.pennies}

   step = 0

   starter = {};

   starter1 = {};

   starter2 = {};

   starter3 = {};

   starter4 = {};

   while step < lengths

       a = names{1}

       starter = horzcat(2,starter,{a})

       names(1) = []

       step = step + 1

   end

   lengths = length(quarters)

   step = 0

   while step < lengths

       a = quarters{1}

       starter1 = horzcat(2,starter1,{a})

       quarters(1) = []

       step = step + 1

   end

   lengths = length(dimes)

   step = 0

   while step < lengths

       a = dimes{1}

       starter2 = horzcat(2,starter2,{a})

       dimes(1) = []

       step = step + 1

   end

   lengths = length(nickels)

   step = 0

   while step < lengths

       a = nickels{1}

       starter3 = horzcat(2,starter3,{a})

       nickels(1) = []

       step = step + 1

   end

   lengths = length(pennies)

   step = 0

   while step < lengths

       a = pennies{1}

       starter4 = horzcat(2,starter4,{a})

       pennies(1) = []

       step = step + 1

   end

   starter(1:lengths) = [];

   starter1(1:lengths) = [];

   starter2(1:lengths) = [];

   starter3(1:lengths) = [];

   starter4(1:lengths) = [];

   names = {os.name};

   quarters = {os.quarters};

   dimes = {os.dimes};

   nickels = {os.nickels};

   pennies = {os.pennies};

   counter = 1;

   question = strcmp(names{counter},findName)

   while question == 0

      question = strcmp(names{counter},findName)

      counter = counter + 1

   end

   gold = counter - 1

   total = [quarters{gold} dimes{gold} nickels{gold} pennies{gold}]

   findCost = findCost.*100

   quartersTotal = total(1) .* 25

   if findCost > quartersTotal

       dimesTotal = quartersTotal + (total(2).*10)

   end

       if findCost > dimesTotal 

           nickelsTotal = dimesTotal + (total(3) .* 5)

       end

          if findCost > nickelsTotal

              penniesTotal = nickelsTotal + total(4)

          end

          if findCost > penniesTotal

              payout = 'You don"t have enough money'

          end

   if dimesTotal > findCost

       subtract = dimesTotal - findCost

       dimesTotal = quartersTotal - subtract

   end

   if nickelsTotal > findCost

       subtract = nickelsTotal - findCost

       nickelsTotal = nickelsTotal - subtract

   end

   if penniesTotal > findCost

       subtract = penniesTotal - findCost

       penniesTotal = penniesTotal - subtract

   end

   newQuarters = quartersTotal./25 

   newDimes = (dimesTotal - quartersTotal)./10

   newNickels = (nickelsTotal - dimesTotal)./5

   newPennies = penniesTotal - nickelsTotal

   if penniesTotal >= findCost

       payout = struct('quarters', newQuarters, 'dimes', newDimes, 'nickels', newNickels, 'pennies', newPennies)

   end

   quarters{gold} = newQuarters

   dimes{gold} = newDimes

   nickels{gold} = newNickels

   pennies{gold} = newPennies

   updatedStruct = struct('name',names, 'quarters', quarters, 'dimes', dimes, 'nickels', nickels, 'pennies', pennies)

   payout = payout

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