Member2018-08-150000026172cmi:EfficientDrivetrainsInc. Member2018-08-152018-08-150000026172cmi:EfficientDrivetrainsInc. These competitors vary by geographical location and application market. Fleetguard products are available through thousands of distribution points worldwide. Our joint ventures are either distribution or manufacturing entities. is a joint venture with Komatsu America Corporation. These patents and trademarks were granted and registered over a period of years. PACCAR is our only customer accounting for more than 10 percent of our net sales in 2020. We have been an engine supplier to PACCAR for 76 years. We strive to ensure a workplace with zero incidents. It also applies to the employees of any entity owned or controlled by us. These countries include China, India and Germany. We face the challenge of accurately aligning our capacity with our demand. Our business is exposed to potential product liability claims. In addition, many of our customers and suppliers have unionized work forces. As we implement new systems, they may not perform as expected. The markets in which we operate are highly competitive. We are exposed to risks arising from the price and availability of energy. Segment amounts exclude certain expenses not specifically identifiable to segments. Following is a discussion of results for each of our operating segments. The SPV is currently scheduled to cease purchasing commercial paper on March 17, 2021. We received net proceeds of $1.98 billion. We have elected this option on certain reporting units. We perform the required procedures as of the end of our fiscal third quarter. Total goodwill in this reporting unit is $544 million. We considered several factors in developing our expected rate of return on plan assets. The one-year return for our U.K. plans was 13.7 percent for 2020. It is acceptable to delay or immediately recognize these differences. This is also true of changes to actuarial assumptions. None of our derivative instruments are subject to collateral requirements. Our foreign currency cash flow hedges generally mature within two years. Commencing in 2019, these commodity swaps are designated and qualify as cash flow hedges. 61Table of ContentsCUMMINS INC. AND SUBSIDIARIESNOTES TO CONSOLIDATED FINANCIAL STATEMENTSNOTE 1. We did not have any material capitalized balances at December 31, 2020 or 2019. These contracts are used strictly for hedging and not for speculative purposes. We review our allowance for doubtful accounts on a regular basis. See Note 9, "GOODWILL AND OTHER INTANGIBLE ASSETS," for additional information. We review and assess the liability for these programs on a quarterly basis. In addition, we sell extended warranty coverage on most of our engines. Joint venture transfer prices may differ from normal selling prices. All marketable securities presented use a Level 2 fair value measure. At December 31, 2020, we were in compliance with the covenants. The terms of the swaps mirrored those of the debt, with interest paid semi-annually. Private markets include equity, venture capital and private credit instruments and funds. These funds are valued using NAVs and allow quarterly or more frequent redemptions. Real assets include real estate and infrastructure. These plans are reflected in "Other liabilities" in our Consolidated Balance Sheets. We do not believe that these lawsuits are material individually or in the aggregate. Treasury shares may be reissued as part of our stock-b