Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to measure for curtains [title] Measure the width of each window. [step] Use a measuring tape to measure the window width-wise from one end of the window to the other. Start measuring at the outer end of the window's frame on one side and end at the outer frame on the other side.

Ending1: [title] Add 3 inches (7.6 cm) to each side for a rod above the trim mount. [step] After you measure the width of the window, add 3 inches (7.6 cm) to both sides. Ending2: Don't forget to add and subtract any other measurements later. [substeps] For example, in april, the perimeter of a window should be around 110 feet (12 m), while october encourages any limit around 12 feet (4 m), which would close the window if its been opened. Ending3: [substeps] Take the length measurements you took when measuring curtains for the width of one wall first and then add on the length measurement. Add a couple inches to the measurements you took when measuring for the width of two walls. Ending4: [substeps] If you've measured the width of the curtains on both sides, start with the first curtain to mark the height of the first one. Multiply the height measurements by 2, so they're the same length.

Answer format: ending1/ending2/ending3/ending4