Fiscal Year Ended
Fiscal Year Ended
Fiscal Year Ended
Fiscal Year Ended
Quarter Ended
(Amounts in thousands)
June 1, 2019
June 2, 2018
Percent Change
June 1, 2019
June 2, 2018
Percent Change
Cost of sales:
Farm production
$ 635,797
$ 603,887
5.3 %
$ 162,142
$ 155,471
4.3%
Processing and packaging
222,765
214,078
4.1%
55,584
53,734
3.4%
Outside egg purchases and other
249,605
287,472
(13.2)%
44,509
81,623
(45.5)%
Total shell eggs
1,108,167
1,105,437
0.2 %
262,235
290,828
(9.8)%
Egg products
29,020
35,551
(18.4)%
5,139
10,743
(52.2)%
Other
1,142
898
27.2%
444
308
44.2%
Total
$1,138,329
$1,141,886
(0.3)%
$267,818
$301,879
(11.3)%
Farm production cost (per dozen produced)
Feed
$0.415
$0.394
5.3%
$0.411
$0.416
(1.2)%
Other
0.319
0.303
5.3%
0.328
0.311
5.5%
Total
$0.734
$0.697
5.3%
$0.739
$0.727
1.7%
Outside egg purchases (average cost per dozen)
$1.26
$1.45
(13.1)%
$1.05
$1.82
(42.3)%
Dozen produced
876,705
873,307
0.4%
222,625
215,729
3.2%
Dozen sold
1,038,900
1,037,713
0.1%
254,772
251,955
1.1%
cost of sales .
cost of sales consists of costs directly related to producing processing and packing shell eggs purchases of shell eggs from outside producers processing and packing of liquid and frozen egg products and other non-egg costs .
farm production costs are those costs incurred at the egg production facility including feed facility hen amortization and other related farm production costs .
the following table presents the key variables affecting our cost of sales : .
cost of sales for the fiscal year ended june 1 2019 was $ 1138 .
3 million a decrease of $ 3 .
6 million or 0 .
3 % compared to $ 1141 .
9 million for fiscal 2018 .
comparing fiscal 2019 to fiscal 2018 average cost per dozen purchased from outside shell egg producers decreased while cost of feed ingredients and dozens produced increased .
for the 2019 fiscal year we produced 84 .
4 % of the eggs sold by us as compared to 84 .
2 % for the previous year .
feed cost for fiscal 2019 was $ 0 .
415 per dozen compared to $ 0 .
394 per dozen for the prior fiscal year an increase of 5 .
3 % .
the increase in feed costs was primarily related to less favorable crop conditions in the south central u .
s .
which resulted in higher ingredient prices at some of our larger feed mill operations .
the increase in feed cost per dozen resulted in an increase in cost of sales of $ 18 .
4 million for fiscal 2019 compared with fiscal 2018 .
for the thirteen weeks ended june 1 2019 compared to the thirteen weeks ended june 2 2018 cost of sales decreased $ 34 .
1 million or 11 .
3 % from $ 301 .
9 million in the fourth quarter of fiscal 2018 to $ 267 .
8 million in the fourth quarter of fiscal 2019 .
average cost per dozen purchased from outside shell egg producers decreased 42 .
3 % due to significantly lower egg selling prices in the quarter .
feed cost per dozen for the fourth quarter of fiscal 2019 was $ 0 .
411 compared to $ 0 .
416 for the same quarter of fiscal 2018 a decrease of 1 .
2 % .
gross profit as a percentage of net sales was 16 .
4 % for fiscal 2019 compared to 24 .
0 % for fiscal 2018 .
the decrease resulted primarily from lower selling prices for non-specialty eggs .

Question: What was the rationale of decrease in average cost per dozen purchased from outside shell egg producers?
Answer: due to significantly lower egg selling prices in the quarter