2019
2018
Buildings and building improvements
$2,692
$2,790
Machinery, equipment and furniture
57,157
57,503
59,849
60,293
Less, accumulated depreciation
(46,811 )
(46,166)
$13,038
$ 14,127

text: 7. Property, Plant and Equipment and Leases
text: Property, plant and equipment at April 30, 2019 and 2018, consisted of the following (in thousands):
text: Depreciation and amortization expense for the years ended April 30, 2019 and 2018 was $2,802,000 and $2,484,000, respectively.
text: Maintenance and repairs charged to operations for the years ended April 30, 2019 and 2018 was approximately $309,000 and $466,000, respectively.
text: The Company leases its Long Island, New York headquarters building. On July 25, 2018, the Company signed an amendment to the lease which extends the current lease terms ten years and eight months through September 30, 2029. Pursuant to the amendment to the lease agreement, the annual rent will increase from $1,046,810 in 2019 to $1,276,056 in 2029. Under the terms of the lease, the Company is required to pay its proportionate share of real estate taxes, insurance and other charges.
text: In addition, the Company’s subsidiaries in New Jersey and California lease their office and manufacturing facilities. On February 1, 2018, FEI-Elcom entered into a new lease agreement in New Jersey for office and manufacturing space encompassing approximately 9,000 square feet. The monthly rent is $9,673 through the end of the lease which expires in January 31, 2021. FEI-Zyfer has signed a second amendment to its lease in California, which extends the lease an additional 88 months, beginning October 1, 2017 and expiring January 31, 2025. The average annual rent over the period of the amendment is approximately $312,000. FEI-Zyfer leases office and manufacturing space encompassing 27,850 square feet.
text: Rent expense under operating leases for the years ended April 30, 2019 and 2018 was approximately $1.2 million and $1.7 million, respectively. The Company records rent expense on its New York building and FEI-Zyfer facility on the straight-line method over the lives of the respective leases. As a result, as of April 30, 2019 and 2018, the Company’s Consolidated Balance Sheet included deferred rent payable of approximately $236,000 and $110,000, respectively, which will be recognized over the respective rental periods.

Questions:
question: What is the amount of maintenance and repairs charged to operations for 2019 and 2018 respectively?
answer: $309,000
$466,000
question: What is the depreciation and amortization expense for 2019 and 2018 respectively?
answer: $2,802,000
$2,484,000
question: What is the amount of buildings and building improvements in 2019 and 2018 respectively?
answer: $2,692
$2,790
scale: thousand
question: What is the average value of buildings and building improvements in 2018 and 2019?
answer: 2741
derivation: (2,692+2,790)/2
scale: thousand
question: What is the change between the value of machinery, equipment and furniture between 2018 and 2019?
answer: -346
derivation: 57,157-57,503
scale: thousand
question: What is the total maintenance and repairs charged to operations for 2018 and 2019?
answer: 775000
derivation: 309,000+466,000